17939007940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{26993}}^1$

素因数の和:27157

約数の個数: 96

約数和(自身を含む): 44406641664

約数和(自身を除く): 26467633724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 101, 140, 188, 202, 235, 329, 404, 470, 505, 658, 707, 940, 1010, 1316, 1414, 1645, 2020, 2828, 3290, 3535, 4747, 6580, 7070, 9494, 14140, 18988, 23735, 26993, 33229, 47470, 53986, 66458, 94940, 107972, 132916, 134965, 166145, 188951, 269930, 332290, 377902, 539860, 664580, 755804, 944755, 1268671, 1889510, 2537342, 2726293, 3779020, 5074684, 5452586, 6343355, 8880697, 10905172, 12686710, 13631465, 17761394, 19084051, 25373420, 27262930, 35522788, 38168102, 44403485, 54525860, 76336204, 88806970, 95420255, 128135771, 177613940, 190840510, 256271542, 381681020, 512543084, 640678855, 896950397, 1281357710, 1793900794, 2562715420, 3587801588, 4484751985, 8969503970, 17939007940]

約数ペア:

[(1, 17939007940), (2, 8969503970), (4, 4484751985), (5, 3587801588), (7, 2562715420), (10, 1793900794), (14, 1281357710), (20, 896950397), (28, 640678855), (35, 512543084), (47, 381681020), (70, 256271542), (94, 190840510), (101, 177613940), (140, 128135771), (188, 95420255), (202, 88806970), (235, 76336204), (329, 54525860), (404, 44403485), (470, 38168102), (505, 35522788), (658, 27262930), (707, 25373420), (940, 19084051), (1010, 17761394), (1316, 13631465), (1414, 12686710), (1645, 10905172), (2020, 8880697), (2828, 6343355), (3290, 5452586), (3535, 5074684), (4747, 3779020), (6580, 2726293), (7070, 2537342), (9494, 1889510), (14140, 1268671), (18988, 944755), (23735, 755804), (26993, 664580), (33229, 539860), (47470, 377902), (53986, 332290), (66458, 269930), (94940, 188951), (107972, 166145), (132916, 134965)]