205420561630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1\times {\mathrm{11549}}^1$

素因数の和:12085

約数の個数: 64

約数和(自身を含む): 385037452800

約数和(自身を除く): 179616891170

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 310, 317, 362, 634, 905, 1585, 1810, 3170, 5611, 9827, 11222, 11549, 19654, 23098, 28055, 49135, 56110, 57377, 57745, 98270, 114754, 115490, 286885, 358019, 573770, 716038, 1778687, 1790095, 2090369, 3557374, 3580190, 3661033, 4180738, 7322066, 8893435, 10451845, 17786870, 18305165, 20903690, 36610330, 64801439, 113492023, 129602878, 226984046, 324007195, 567460115, 648014390, 662646973, 1134920230, 1325293946, 3313234865, 6626469730, 20542056163, 41084112326, 102710280815, 205420561630]

約数ペア:

[(1, 205420561630), (2, 102710280815), (5, 41084112326), (10, 20542056163), (31, 6626469730), (62, 3313234865), (155, 1325293946), (181, 1134920230), (310, 662646973), (317, 648014390), (362, 567460115), (634, 324007195), (905, 226984046), (1585, 129602878), (1810, 113492023), (3170, 64801439), (5611, 36610330), (9827, 20903690), (11222, 18305165), (11549, 17786870), (19654, 10451845), (23098, 8893435), (28055, 7322066), (49135, 4180738), (56110, 3661033), (57377, 3580190), (57745, 3557374), (98270, 2090369), (114754, 1790095), (115490, 1778687), (286885, 716038), (358019, 573770)]