890051470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1733}}^1$

素因数の和:1810

約数の個数: 128

約数和(自身を含む): 2157373440

約数和(自身を除く): 1267321970

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 29, 35, 46, 55, 58, 70, 77, 110, 115, 145, 154, 161, 203, 230, 253, 290, 319, 322, 385, 406, 506, 638, 667, 770, 805, 1015, 1265, 1334, 1595, 1610, 1733, 1771, 2030, 2233, 2530, 3190, 3335, 3466, 3542, 4466, 4669, 6670, 7337, 8665, 8855, 9338, 11165, 12131, 14674, 17330, 17710, 19063, 22330, 23345, 24262, 36685, 38126, 39859, 46690, 50257, 51359, 60655, 73370, 79718, 95315, 100514, 102718, 121310, 133441, 190630, 199295, 251285, 256795, 266882, 279013, 351799, 398590, 438449, 502570, 513590, 552827, 558026, 667205, 703598, 876898, 1105654, 1155911, 1334410, 1395065, 1758995, 2192245, 2311822, 2764135, 2790130, 3069143, 3517990, 3869789, 4384490, 5528270, 5779555, 6138286, 7739578, 8091377, 11559110, 12715021, 15345715, 16182754, 19348945, 25430042, 30691430, 38697890, 40456885, 63575105, 80913770, 89005147, 127150210, 178010294, 445025735, 890051470]

約数ペア:

[(1, 890051470), (2, 445025735), (5, 178010294), (7, 127150210), (10, 89005147), (11, 80913770), (14, 63575105), (22, 40456885), (23, 38697890), (29, 30691430), (35, 25430042), (46, 19348945), (55, 16182754), (58, 15345715), (70, 12715021), (77, 11559110), (110, 8091377), (115, 7739578), (145, 6138286), (154, 5779555), (161, 5528270), (203, 4384490), (230, 3869789), (253, 3517990), (290, 3069143), (319, 2790130), (322, 2764135), (385, 2311822), (406, 2192245), (506, 1758995), (638, 1395065), (667, 1334410), (770, 1155911), (805, 1105654), (1015, 876898), (1265, 703598), (1334, 667205), (1595, 558026), (1610, 552827), (1733, 513590), (1771, 502570), (2030, 438449), (2233, 398590), (2530, 351799), (3190, 279013), (3335, 266882), (3466, 256795), (3542, 251285), (4466, 199295), (4669, 190630), (6670, 133441), (7337, 121310), (8665, 102718), (8855, 100514), (9338, 95315), (11165, 79718), (12131, 73370), (14674, 60655), (17330, 51359), (17710, 50257), (19063, 46690), (22330, 39859), (23345, 38126), (24262, 36685)]