1855974770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{1553}}^1$

素因数の和:1919

約数の個数: 64

約数和(自身を含む): 3735940320

約数和(自身を除く): 1879965550

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 317, 377, 634, 754, 1553, 1585, 1885, 3106, 3170, 3770, 4121, 7765, 8242, 9193, 15530, 18386, 20189, 20605, 40378, 41210, 45037, 45965, 90074, 91930, 100945, 119509, 201890, 225185, 239018, 450370, 492301, 585481, 597545, 984602, 1170962, 1195090, 2461505, 2927405, 4923010, 5854810, 6399913, 12799826, 14276729, 28553458, 31999565, 63999130, 71383645, 142767290, 185597477, 371194954, 927987385, 1855974770]

約数ペア:

[(1, 1855974770), (2, 927987385), (5, 371194954), (10, 185597477), (13, 142767290), (26, 71383645), (29, 63999130), (58, 31999565), (65, 28553458), (130, 14276729), (145, 12799826), (290, 6399913), (317, 5854810), (377, 4923010), (634, 2927405), (754, 2461505), (1553, 1195090), (1585, 1170962), (1885, 984602), (3106, 597545), (3170, 585481), (3770, 492301), (4121, 450370), (7765, 239018), (8242, 225185), (9193, 201890), (15530, 119509), (18386, 100945), (20189, 91930), (20605, 90074), (40378, 45965), (41210, 45037)]