212030120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16411}}^1$

素因数の和:16458

約数の個数: 64

約数和(自身を含む): 531748800

約数和(自身を除く): 319718680

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 16411, 32822, 65644, 82055, 131288, 164110, 278987, 311809, 328220, 557974, 623618, 656440, 1115948, 1247236, 1394935, 1559045, 2231896, 2494472, 2789870, 3118090, 5300753, 5579740, 6236180, 10601506, 11159480, 12472360, 21203012, 26503765, 42406024, 53007530, 106015060, 212030120]

約数ペア:

[(1, 212030120), (2, 106015060), (4, 53007530), (5, 42406024), (8, 26503765), (10, 21203012), (17, 12472360), (19, 11159480), (20, 10601506), (34, 6236180), (38, 5579740), (40, 5300753), (68, 3118090), (76, 2789870), (85, 2494472), (95, 2231896), (136, 1559045), (152, 1394935), (170, 1247236), (190, 1115948), (323, 656440), (340, 623618), (380, 557974), (646, 328220), (680, 311809), (760, 278987), (1292, 164110), (1615, 131288), (2584, 82055), (3230, 65644), (6460, 32822), (12920, 16411)]