2019857720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1\times {\mathrm{2693}}^1$

素因数の和:3824

約数の個数: 64

約数和(自身を含む): 4818165120

約数和(自身を除く): 2798307400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1103, 2206, 2693, 4412, 5386, 5515, 8824, 10772, 11030, 13465, 18751, 21544, 22060, 26930, 37502, 44120, 45781, 53860, 75004, 91562, 93755, 107720, 150008, 183124, 187510, 228905, 366248, 375020, 457810, 750040, 915620, 1831240, 2970379, 5940758, 11881516, 14851895, 23763032, 29703790, 50496443, 59407580, 100992886, 118815160, 201985772, 252482215, 403971544, 504964430, 1009928860, 2019857720]

約数ペア:

[(1, 2019857720), (2, 1009928860), (4, 504964430), (5, 403971544), (8, 252482215), (10, 201985772), (17, 118815160), (20, 100992886), (34, 59407580), (40, 50496443), (68, 29703790), (85, 23763032), (136, 14851895), (170, 11881516), (340, 5940758), (680, 2970379), (1103, 1831240), (2206, 915620), (2693, 750040), (4412, 457810), (5386, 375020), (5515, 366248), (8824, 228905), (10772, 187510), (11030, 183124), (13465, 150008), (18751, 107720), (21544, 93755), (22060, 91562), (26930, 75004), (37502, 53860), (44120, 45781)]