201819800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{853}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 581369040

約数和(自身を除く): 379549240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 169, 175, 182, 200, 260, 280, 325, 338, 350, 364, 455, 520, 650, 676, 700, 728, 845, 853, 910, 1183, 1300, 1352, 1400, 1690, 1706, 1820, 2275, 2366, 2600, 3380, 3412, 3640, 4225, 4265, 4550, 4732, 5915, 5971, 6760, 6824, 8450, 8530, 9100, 9464, 11089, 11830, 11942, 16900, 17060, 18200, 21325, 22178, 23660, 23884, 29575, 29855, 33800, 34120, 42650, 44356, 47320, 47768, 55445, 59150, 59710, 77623, 85300, 88712, 110890, 118300, 119420, 144157, 149275, 155246, 170600, 221780, 236600, 238840, 277225, 288314, 298550, 310492, 388115, 443560, 554450, 576628, 597100, 620984, 720785, 776230, 1009099, 1108900, 1153256, 1194200, 1441570, 1552460, 1940575, 2018198, 2217800, 2883140, 3104920, 3603925, 3881150, 4036396, 5045495, 5766280, 7207850, 7762300, 8072792, 10090990, 14415700, 15524600, 20181980, 25227475, 28831400, 40363960, 50454950, 100909900, 201819800]

約数ペア:

[(1, 201819800), (2, 100909900), (4, 50454950), (5, 40363960), (7, 28831400), (8, 25227475), (10, 20181980), (13, 15524600), (14, 14415700), (20, 10090990), (25, 8072792), (26, 7762300), (28, 7207850), (35, 5766280), (40, 5045495), (50, 4036396), (52, 3881150), (56, 3603925), (65, 3104920), (70, 2883140), (91, 2217800), (100, 2018198), (104, 1940575), (130, 1552460), (140, 1441570), (169, 1194200), (175, 1153256), (182, 1108900), (200, 1009099), (260, 776230), (280, 720785), (325, 620984), (338, 597100), (350, 576628), (364, 554450), (455, 443560), (520, 388115), (650, 310492), (676, 298550), (700, 288314), (728, 277225), (845, 238840), (853, 236600), (910, 221780), (1183, 170600), (1300, 155246), (1352, 149275), (1400, 144157), (1690, 119420), (1706, 118300), (1820, 110890), (2275, 88712), (2366, 85300), (2600, 77623), (3380, 59710), (3412, 59150), (3640, 55445), (4225, 47768), (4265, 47320), (4550, 44356), (4732, 42650), (5915, 34120), (5971, 33800), (6760, 29855), (6824, 29575), (8450, 23884), (8530, 23660), (9100, 22178), (9464, 21325), (11089, 18200), (11830, 17060), (11942, 16900)]