401910040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2505

約数の個数: 128

約数和(自身を含む): 1123430400

約数和(自身を除く): 721520360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1736, 2170, 2356, 2437, 2660, 2945, 4123, 4340, 4712, 4874, 5320, 5890, 8246, 8680, 9748, 11780, 12185, 16492, 17059, 19496, 20615, 23560, 24370, 32984, 34118, 41230, 46303, 48740, 68236, 75547, 82460, 85295, 92606, 97480, 136472, 151094, 164920, 170590, 185212, 231515, 302188, 324121, 341180, 370424, 377735, 463030, 528829, 604376, 648242, 682360, 755470, 926060, 1057658, 1296484, 1435393, 1510940, 1620605, 1852120, 2115316, 2592968, 2644145, 2870786, 3021880, 3241210, 4230632, 5288290, 5741572, 6482420, 7176965, 10047751, 10576580, 11483144, 12964840, 14353930, 20095502, 21153160, 28707860, 40191004, 50238755, 57415720, 80382008, 100477510, 200955020, 401910040]

約数ペア:

[(1, 401910040), (2, 200955020), (4, 100477510), (5, 80382008), (7, 57415720), (8, 50238755), (10, 40191004), (14, 28707860), (19, 21153160), (20, 20095502), (28, 14353930), (31, 12964840), (35, 11483144), (38, 10576580), (40, 10047751), (56, 7176965), (62, 6482420), (70, 5741572), (76, 5288290), (95, 4230632), (124, 3241210), (133, 3021880), (140, 2870786), (152, 2644145), (155, 2592968), (190, 2115316), (217, 1852120), (248, 1620605), (266, 1510940), (280, 1435393), (310, 1296484), (380, 1057658), (434, 926060), (532, 755470), (589, 682360), (620, 648242), (665, 604376), (760, 528829), (868, 463030), (1064, 377735), (1085, 370424), (1178, 341180), (1240, 324121), (1330, 302188), (1736, 231515), (2170, 185212), (2356, 170590), (2437, 164920), (2660, 151094), (2945, 136472), (4123, 97480), (4340, 92606), (4712, 85295), (4874, 82460), (5320, 75547), (5890, 68236), (8246, 48740), (8680, 46303), (9748, 41230), (11780, 34118), (12185, 32984), (16492, 24370), (17059, 23560), (19496, 20615)]