90396920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 211273920

約数和(自身を除く): 120877000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 103, 148, 185, 206, 296, 370, 412, 515, 593, 740, 824, 1030, 1186, 1480, 2060, 2372, 2965, 3811, 4120, 4744, 5930, 7622, 11860, 15244, 19055, 21941, 23720, 30488, 38110, 43882, 61079, 76220, 87764, 109705, 122158, 152440, 175528, 219410, 244316, 305395, 438820, 488632, 610790, 877640, 1221580, 2259923, 2443160, 4519846, 9039692, 11299615, 18079384, 22599230, 45198460, 90396920]

約数ペア:

[(1, 90396920), (2, 45198460), (4, 22599230), (5, 18079384), (8, 11299615), (10, 9039692), (20, 4519846), (37, 2443160), (40, 2259923), (74, 1221580), (103, 877640), (148, 610790), (185, 488632), (206, 438820), (296, 305395), (370, 244316), (412, 219410), (515, 175528), (593, 152440), (740, 122158), (824, 109705), (1030, 87764), (1186, 76220), (1480, 61079), (2060, 43882), (2372, 38110), (2965, 30488), (3811, 23720), (4120, 21941), (4744, 19055), (5930, 15244), (7622, 11860)]