314727500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 90

約数和(自身を含む): 716592492

約数和(自身を除く): 401864992

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 131, 155, 250, 262, 310, 500, 524, 620, 625, 655, 775, 961, 1250, 1310, 1550, 1922, 2500, 2620, 3100, 3275, 3844, 3875, 4061, 4805, 6550, 7750, 8122, 9610, 13100, 15500, 16244, 16375, 19220, 19375, 20305, 24025, 32750, 38750, 40610, 48050, 65500, 77500, 81220, 81875, 96100, 101525, 120125, 125891, 163750, 203050, 240250, 251782, 327500, 406100, 480500, 503564, 507625, 600625, 629455, 1015250, 1201250, 1258910, 2030500, 2402500, 2517820, 2538125, 3147275, 5076250, 6294550, 10152500, 12589100, 15736375, 31472750, 62945500, 78681875, 157363750, 314727500]

約数ペア:

[(1, 314727500), (2, 157363750), (4, 78681875), (5, 62945500), (10, 31472750), (20, 15736375), (25, 12589100), (31, 10152500), (50, 6294550), (62, 5076250), (100, 3147275), (124, 2538125), (125, 2517820), (131, 2402500), (155, 2030500), (250, 1258910), (262, 1201250), (310, 1015250), (500, 629455), (524, 600625), (620, 507625), (625, 503564), (655, 480500), (775, 406100), (961, 327500), (1250, 251782), (1310, 240250), (1550, 203050), (1922, 163750), (2500, 125891), (2620, 120125), (3100, 101525), (3275, 96100), (3844, 81875), (3875, 81220), (4061, 77500), (4805, 65500), (6550, 48050), (7750, 40610), (8122, 38750), (9610, 32750), (13100, 24025), (15500, 20305), (16244, 19375), (16375, 19220)]