102011380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 230428800

約数和(自身を除く): 128417420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 199, 284, 355, 361, 380, 398, 710, 722, 796, 995, 1349, 1420, 1444, 1805, 1990, 2698, 3610, 3781, 3980, 5396, 6745, 7220, 7562, 13490, 14129, 15124, 18905, 25631, 26980, 28258, 37810, 51262, 56516, 70645, 71839, 75620, 102524, 128155, 141290, 143678, 256310, 268451, 282580, 287356, 359195, 512620, 536902, 718390, 1073804, 1342255, 1436780, 2684510, 5100569, 5369020, 10201138, 20402276, 25502845, 51005690, 102011380]

約数ペア:

[(1, 102011380), (2, 51005690), (4, 25502845), (5, 20402276), (10, 10201138), (19, 5369020), (20, 5100569), (38, 2684510), (71, 1436780), (76, 1342255), (95, 1073804), (142, 718390), (190, 536902), (199, 512620), (284, 359195), (355, 287356), (361, 282580), (380, 268451), (398, 256310), (710, 143678), (722, 141290), (796, 128155), (995, 102524), (1349, 75620), (1420, 71839), (1444, 70645), (1805, 56516), (1990, 51262), (2698, 37810), (3610, 28258), (3781, 26980), (3980, 25631), (5396, 18905), (6745, 15124), (7220, 14129), (7562, 13490)]