397690010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 823329792

約数和(自身を除く): 425639782

約数列:

[1, 2, 5, 10, 17, 23, 31, 34, 46, 62, 85, 115, 155, 170, 193, 230, 289, 310, 386, 391, 527, 578, 713, 782, 965, 1054, 1426, 1445, 1930, 1955, 2635, 2890, 3281, 3565, 3910, 4439, 5270, 5983, 6562, 6647, 7130, 8878, 8959, 11966, 12121, 13294, 16405, 17918, 22195, 24242, 29915, 32810, 33235, 44390, 44795, 55777, 59830, 60605, 66470, 75463, 89590, 101711, 111554, 121210, 137609, 150926, 203422, 206057, 275218, 278885, 377315, 412114, 508555, 557770, 688045, 754630, 1017110, 1030285, 1282871, 1376090, 1729087, 2060570, 2339353, 2565742, 3458174, 4678706, 6414355, 8645435, 11696765, 12828710, 17290870, 23393530, 39769001, 79538002, 198845005, 397690010]

約数ペア:

[(1, 397690010), (2, 198845005), (5, 79538002), (10, 39769001), (17, 23393530), (23, 17290870), (31, 12828710), (34, 11696765), (46, 8645435), (62, 6414355), (85, 4678706), (115, 3458174), (155, 2565742), (170, 2339353), (193, 2060570), (230, 1729087), (289, 1376090), (310, 1282871), (386, 1030285), (391, 1017110), (527, 754630), (578, 688045), (713, 557770), (782, 508555), (965, 412114), (1054, 377315), (1426, 278885), (1445, 275218), (1930, 206057), (1955, 203422), (2635, 150926), (2890, 137609), (3281, 121210), (3565, 111554), (3910, 101711), (4439, 89590), (5270, 75463), (5983, 66470), (6562, 60605), (6647, 59830), (7130, 55777), (8878, 44795), (8959, 44390), (11966, 33235), (12121, 32810), (13294, 29915), (16405, 24242), (17918, 22195)]