2557290400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:856

約数の個数: 216

約数和(自身を含む): 7353865260

約数和(自身を除く): 4796574860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 89, 98, 100, 112, 140, 160, 175, 178, 196, 200, 224, 245, 280, 350, 356, 392, 400, 445, 490, 560, 623, 700, 712, 733, 784, 800, 890, 980, 1120, 1225, 1246, 1400, 1424, 1466, 1568, 1780, 1960, 2225, 2450, 2492, 2800, 2848, 2932, 3115, 3560, 3665, 3920, 4361, 4450, 4900, 4984, 5131, 5600, 5864, 6230, 7120, 7330, 7840, 8722, 8900, 9800, 9968, 10262, 11728, 12460, 14240, 14660, 15575, 17444, 17800, 18325, 19600, 19936, 20524, 21805, 23456, 24920, 25655, 29320, 31150, 34888, 35600, 35917, 36650, 39200, 41048, 43610, 49840, 51310, 58640, 62300, 65237, 69776, 71200, 71834, 73300, 82096, 87220, 99680, 102620, 109025, 117280, 124600, 128275, 130474, 139552, 143668, 146600, 164192, 174440, 179585, 205240, 218050, 249200, 256550, 260948, 287336, 293200, 326185, 348880, 359170, 410480, 436100, 456659, 498400, 513100, 521896, 574672, 586400, 652370, 697760, 718340, 820960, 872200, 897925, 913318, 1026200, 1043792, 1149344, 1304740, 1436680, 1630925, 1744400, 1795850, 1826636, 2052400, 2087584, 2283295, 2609480, 2873360, 3196613, 3261850, 3488800, 3591700, 3653272, 4104800, 4566590, 5218960, 5746720, 6393226, 6523700, 7183400, 7306544, 9133180, 10437920, 11416475, 12786452, 13047400, 14366800, 14613088, 15983065, 18266360, 22832950, 25572904, 26094800, 28733600, 31966130, 36532720, 45665900, 51145808, 52189600, 63932260, 73065440, 79915325, 91331800, 102291616, 127864520, 159830650, 182663600, 255729040, 319661300, 365327200, 511458080, 639322600, 1278645200, 2557290400]

約数ペア:

[(1, 2557290400), (2, 1278645200), (4, 639322600), (5, 511458080), (7, 365327200), (8, 319661300), (10, 255729040), (14, 182663600), (16, 159830650), (20, 127864520), (25, 102291616), (28, 91331800), (32, 79915325), (35, 73065440), (40, 63932260), (49, 52189600), (50, 51145808), (56, 45665900), (70, 36532720), (80, 31966130), (89, 28733600), (98, 26094800), (100, 25572904), (112, 22832950), (140, 18266360), (160, 15983065), (175, 14613088), (178, 14366800), (196, 13047400), (200, 12786452), (224, 11416475), (245, 10437920), (280, 9133180), (350, 7306544), (356, 7183400), (392, 6523700), (400, 6393226), (445, 5746720), (490, 5218960), (560, 4566590), (623, 4104800), (700, 3653272), (712, 3591700), (733, 3488800), (784, 3261850), (800, 3196613), (890, 2873360), (980, 2609480), (1120, 2283295), (1225, 2087584), (1246, 2052400), (1400, 1826636), (1424, 1795850), (1466, 1744400), (1568, 1630925), (1780, 1436680), (1960, 1304740), (2225, 1149344), (2450, 1043792), (2492, 1026200), (2800, 913318), (2848, 897925), (2932, 872200), (3115, 820960), (3560, 718340), (3665, 697760), (3920, 652370), (4361, 586400), (4450, 574672), (4900, 521896), (4984, 513100), (5131, 498400), (5600, 456659), (5864, 436100), (6230, 410480), (7120, 359170), (7330, 348880), (7840, 326185), (8722, 293200), (8900, 287336), (9800, 260948), (9968, 256550), (10262, 249200), (11728, 218050), (12460, 205240), (14240, 179585), (14660, 174440), (15575, 164192), (17444, 146600), (17800, 143668), (18325, 139552), (19600, 130474), (19936, 128275), (20524, 124600), (21805, 117280), (23456, 109025), (24920, 102620), (25655, 99680), (29320, 87220), (31150, 82096), (34888, 73300), (35600, 71834), (35917, 71200), (36650, 69776), (39200, 65237), (41048, 62300), (43610, 58640), (49840, 51310)]