278330623750

素因数分解:

$2^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{16829}}^1$

素因数の和:17083

約数の個数: 80

約数和(自身を含む): 530921738160

約数和(自身を除く): 252591114410

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 131, 202, 250, 262, 505, 625, 655, 1010, 1250, 1310, 2525, 3275, 5050, 6550, 12625, 13231, 16375, 16829, 25250, 26462, 32750, 33658, 63125, 66155, 81875, 84145, 126250, 132310, 163750, 168290, 330775, 420725, 661550, 841450, 1653875, 1699729, 2103625, 2204599, 3307750, 3399458, 4207250, 4409198, 8269375, 8498645, 10518125, 11022995, 16538750, 16997290, 21036250, 22045990, 42493225, 55114975, 84986450, 110229950, 212466125, 222664499, 275574875, 424932250, 445328998, 551149750, 1062330625, 1113322495, 1377874375, 2124661250, 2226644990, 2755748750, 5566612475, 11133224950, 27833062375, 55666124750, 139165311875, 278330623750]

約数ペア:

[(1, 278330623750), (2, 139165311875), (5, 55666124750), (10, 27833062375), (25, 11133224950), (50, 5566612475), (101, 2755748750), (125, 2226644990), (131, 2124661250), (202, 1377874375), (250, 1113322495), (262, 1062330625), (505, 551149750), (625, 445328998), (655, 424932250), (1010, 275574875), (1250, 222664499), (1310, 212466125), (2525, 110229950), (3275, 84986450), (5050, 55114975), (6550, 42493225), (12625, 22045990), (13231, 21036250), (16375, 16997290), (16829, 16538750), (25250, 11022995), (26462, 10518125), (32750, 8498645), (33658, 8269375), (63125, 4409198), (66155, 4207250), (81875, 3399458), (84145, 3307750), (126250, 2204599), (132310, 2103625), (163750, 1699729), (168290, 1653875), (330775, 841450), (420725, 661550)]