74209420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 170510256

約数和(自身を除く): 96300836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 340, 347, 370, 578, 629, 694, 740, 1156, 1258, 1388, 1445, 1735, 2516, 2890, 3145, 3470, 5780, 5899, 6290, 6940, 10693, 11798, 12580, 12839, 21386, 23596, 25678, 29495, 42772, 51356, 53465, 58990, 64195, 100283, 106930, 117980, 128390, 200566, 213860, 218263, 256780, 401132, 436526, 501415, 873052, 1002830, 1091315, 2005660, 2182630, 3710471, 4365260, 7420942, 14841884, 18552355, 37104710, 74209420]

約数ペア:

[(1, 74209420), (2, 37104710), (4, 18552355), (5, 14841884), (10, 7420942), (17, 4365260), (20, 3710471), (34, 2182630), (37, 2005660), (68, 1091315), (74, 1002830), (85, 873052), (148, 501415), (170, 436526), (185, 401132), (289, 256780), (340, 218263), (347, 213860), (370, 200566), (578, 128390), (629, 117980), (694, 106930), (740, 100283), (1156, 64195), (1258, 58990), (1388, 53465), (1445, 51356), (1735, 42772), (2516, 29495), (2890, 25678), (3145, 23596), (3470, 21386), (5780, 12839), (5899, 12580), (6290, 11798), (6940, 10693)]