678453425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 1057432320

約数和(自身を除く): 378978895

約数列:

[1, 5, 13, 17, 19, 23, 25, 65, 85, 95, 115, 221, 247, 281, 299, 323, 325, 391, 425, 437, 475, 575, 1105, 1235, 1405, 1495, 1615, 1955, 2185, 3653, 4199, 4777, 5083, 5339, 5525, 5681, 6175, 6463, 7025, 7429, 7475, 8075, 9775, 10925, 18265, 20995, 23885, 25415, 26695, 28405, 32315, 37145, 62101, 69407, 84019, 90763, 91325, 96577, 104975, 109871, 119425, 122797, 127075, 133475, 142025, 161575, 185725, 310505, 347035, 420095, 453815, 482885, 549355, 613985, 1179919, 1428323, 1552525, 1596361, 1735175, 2087549, 2100475, 2269075, 2414425, 2746775, 3069925, 5899595, 7141615, 7981805, 10437745, 27138137, 29497975, 35708075, 39909025, 52188725, 135690685, 678453425]

約数ペア:

[(1, 678453425), (5, 135690685), (13, 52188725), (17, 39909025), (19, 35708075), (23, 29497975), (25, 27138137), (65, 10437745), (85, 7981805), (95, 7141615), (115, 5899595), (221, 3069925), (247, 2746775), (281, 2414425), (299, 2269075), (323, 2100475), (325, 2087549), (391, 1735175), (425, 1596361), (437, 1552525), (475, 1428323), (575, 1179919), (1105, 613985), (1235, 549355), (1405, 482885), (1495, 453815), (1615, 420095), (1955, 347035), (2185, 310505), (3653, 185725), (4199, 161575), (4777, 142025), (5083, 133475), (5339, 127075), (5525, 122797), (5681, 119425), (6175, 109871), (6463, 104975), (7025, 96577), (7429, 91325), (7475, 90763), (8075, 84019), (9775, 69407), (10925, 62101), (18265, 37145), (20995, 32315), (23885, 28405), (25415, 26695)]