207829720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7349}}^1$

素因数の和:7468

約数の個数: 64

約数和(自身を含む): 539784000

約数和(自身を除く): 331954280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5656, 7070, 7349, 14140, 14698, 28280, 29396, 36745, 51443, 58792, 73490, 102886, 146980, 205772, 257215, 293960, 411544, 514430, 742249, 1028860, 1484498, 2057720, 2968996, 3711245, 5195743, 5937992, 7422490, 10391486, 14844980, 20782972, 25978715, 29689960, 41565944, 51957430, 103914860, 207829720]

約数ペア:

[(1, 207829720), (2, 103914860), (4, 51957430), (5, 41565944), (7, 29689960), (8, 25978715), (10, 20782972), (14, 14844980), (20, 10391486), (28, 7422490), (35, 5937992), (40, 5195743), (56, 3711245), (70, 2968996), (101, 2057720), (140, 1484498), (202, 1028860), (280, 742249), (404, 514430), (505, 411544), (707, 293960), (808, 257215), (1010, 205772), (1414, 146980), (2020, 102886), (2828, 73490), (3535, 58792), (4040, 51443), (5656, 36745), (7070, 29396), (7349, 28280), (14140, 14698)]