28566460

素因数分解:

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

素因数の和:343

約数の個数: 96

約数和(自身を含む): 71632512

約数和(自身を除く): 43066052

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 281, 299, 340, 391, 442, 460, 562, 598, 782, 884, 1105, 1124, 1196, 1405, 1495, 1564, 1955, 2210, 2810, 2990, 3653, 3910, 4420, 4777, 5083, 5620, 5980, 6463, 7306, 7820, 9554, 10166, 12926, 14612, 18265, 19108, 20332, 23885, 25415, 25852, 32315, 36530, 47770, 50830, 62101, 64630, 73060, 84019, 95540, 101660, 109871, 124202, 129260, 168038, 219742, 248404, 310505, 336076, 420095, 439484, 549355, 621010, 840190, 1098710, 1242020, 1428323, 1680380, 2197420, 2856646, 5713292, 7141615, 14283230, 28566460]

約数ペア:

[(1, 28566460), (2, 14283230), (4, 7141615), (5, 5713292), (10, 2856646), (13, 2197420), (17, 1680380), (20, 1428323), (23, 1242020), (26, 1098710), (34, 840190), (46, 621010), (52, 549355), (65, 439484), (68, 420095), (85, 336076), (92, 310505), (115, 248404), (130, 219742), (170, 168038), (221, 129260), (230, 124202), (260, 109871), (281, 101660), (299, 95540), (340, 84019), (391, 73060), (442, 64630), (460, 62101), (562, 50830), (598, 47770), (782, 36530), (884, 32315), (1105, 25852), (1124, 25415), (1196, 23885), (1405, 20332), (1495, 19108), (1564, 18265), (1955, 14612), (2210, 12926), (2810, 10166), (2990, 9554), (3653, 7820), (3910, 7306), (4420, 6463), (4777, 5980), (5083, 5620)]