719215850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:336

約数の個数: 72

約数和(自身を含む): 1410103200

約数和(自身を除く): 690887350

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 199, 205, 215, 398, 410, 430, 995, 1025, 1075, 1681, 1763, 1990, 2050, 2150, 3362, 3526, 4975, 8159, 8405, 8557, 8815, 9950, 16318, 16810, 17114, 17630, 40795, 42025, 42785, 44075, 72283, 81590, 84050, 85570, 88150, 144566, 203975, 213925, 334519, 350837, 361415, 407950, 427850, 669038, 701674, 722830, 1672595, 1754185, 1807075, 3345190, 3508370, 3614150, 8362975, 8770925, 14384317, 16725950, 17541850, 28768634, 71921585, 143843170, 359607925, 719215850]

約数ペア:

[(1, 719215850), (2, 359607925), (5, 143843170), (10, 71921585), (25, 28768634), (41, 17541850), (43, 16725950), (50, 14384317), (82, 8770925), (86, 8362975), (199, 3614150), (205, 3508370), (215, 3345190), (398, 1807075), (410, 1754185), (430, 1672595), (995, 722830), (1025, 701674), (1075, 669038), (1681, 427850), (1763, 407950), (1990, 361415), (2050, 350837), (2150, 334519), (3362, 213925), (3526, 203975), (4975, 144566), (8159, 88150), (8405, 85570), (8557, 84050), (8815, 81590), (9950, 72283), (16318, 44075), (16810, 42785), (17114, 42025), (17630, 40795)]