28714120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^3\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 68688000

約数和(自身を除く): 39973880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 529, 590, 920, 1058, 1180, 1357, 2116, 2360, 2645, 2714, 4232, 5290, 5428, 6785, 10580, 10856, 12167, 13570, 21160, 24334, 27140, 31211, 48668, 54280, 60835, 62422, 97336, 121670, 124844, 156055, 243340, 249688, 312110, 486680, 624220, 717853, 1248440, 1435706, 2871412, 3589265, 5742824, 7178530, 14357060, 28714120]

約数ペア:

[(1, 28714120), (2, 14357060), (4, 7178530), (5, 5742824), (8, 3589265), (10, 2871412), (20, 1435706), (23, 1248440), (40, 717853), (46, 624220), (59, 486680), (92, 312110), (115, 249688), (118, 243340), (184, 156055), (230, 124844), (236, 121670), (295, 97336), (460, 62422), (472, 60835), (529, 54280), (590, 48668), (920, 31211), (1058, 27140), (1180, 24334), (1357, 21160), (2116, 13570), (2360, 12167), (2645, 10856), (2714, 10580), (4232, 6785), (5290, 5428)]