2787830

素因数分解:

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

素因数の和:101

約数の個数: 48

約数和(自身を含む): 5733504

約数和(自身を除く): 2945674

約数列:

[1, 2, 5, 10, 17, 23, 31, 34, 46, 62, 85, 115, 155, 170, 230, 310, 391, 527, 529, 713, 782, 1054, 1058, 1426, 1955, 2635, 2645, 3565, 3910, 5270, 5290, 7130, 8993, 12121, 16399, 17986, 24242, 32798, 44965, 60605, 81995, 89930, 121210, 163990, 278783, 557566, 1393915, 2787830]

約数ペア:

[(1, 2787830), (2, 1393915), (5, 557566), (10, 278783), (17, 163990), (23, 121210), (31, 89930), (34, 81995), (46, 60605), (62, 44965), (85, 32798), (115, 24242), (155, 17986), (170, 16399), (230, 12121), (310, 8993), (391, 7130), (527, 5290), (529, 5270), (713, 3910), (782, 3565), (1054, 2645), (1058, 2635), (1426, 1955)]