278301730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2411}}^1$

素因数の和:2539

約数の個数: 64

約数和(自身を含む): 612686592

約数和(自身を除く): 334384862

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 97, 119, 170, 194, 238, 485, 595, 679, 970, 1190, 1358, 1649, 2411, 3298, 3395, 4822, 6790, 8245, 11543, 12055, 16490, 16877, 23086, 24110, 33754, 40987, 57715, 81974, 84385, 115430, 168770, 204935, 233867, 286909, 409870, 467734, 573818, 1169335, 1434545, 1637069, 2338670, 2869090, 3274138, 3975739, 7951478, 8185345, 16370690, 19878695, 27830173, 39757390, 55660346, 139150865, 278301730]

約数ペア:

[(1, 278301730), (2, 139150865), (5, 55660346), (7, 39757390), (10, 27830173), (14, 19878695), (17, 16370690), (34, 8185345), (35, 7951478), (70, 3975739), (85, 3274138), (97, 2869090), (119, 2338670), (170, 1637069), (194, 1434545), (238, 1169335), (485, 573818), (595, 467734), (679, 409870), (970, 286909), (1190, 233867), (1358, 204935), (1649, 168770), (2411, 115430), (3298, 84385), (3395, 81974), (4822, 57715), (6790, 40987), (8245, 33754), (11543, 24110), (12055, 23086), (16490, 16877)]