72804110

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 138446496

約数和(自身を除く): 65642386

約数列:

[1, 2, 5, 10, 41, 61, 71, 82, 122, 142, 205, 305, 355, 410, 610, 710, 1681, 2501, 2911, 3362, 4331, 5002, 5822, 8405, 8662, 12505, 14555, 16810, 21655, 25010, 29110, 43310, 102541, 119351, 177571, 205082, 238702, 355142, 512705, 596755, 887855, 1025410, 1193510, 1775710, 7280411, 14560822, 36402055, 72804110]

約数ペア:

[(1, 72804110), (2, 36402055), (5, 14560822), (10, 7280411), (41, 1775710), (61, 1193510), (71, 1025410), (82, 887855), (122, 596755), (142, 512705), (205, 355142), (305, 238702), (355, 205082), (410, 177571), (610, 119351), (710, 102541), (1681, 43310), (2501, 29110), (2911, 25010), (3362, 21655), (4331, 16810), (5002, 14555), (5822, 12505), (8405, 8662)]