2097460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2740940

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 199, 310, 340, 398, 527, 620, 796, 995, 1054, 1990, 2108, 2635, 3383, 3980, 5270, 6169, 6766, 10540, 12338, 13532, 16915, 24676, 30845, 33830, 61690, 67660, 104873, 123380, 209746, 419492, 524365, 1048730, 2097460]

約数ペア:

[(1, 2097460), (2, 1048730), (4, 524365), (5, 419492), (10, 209746), (17, 123380), (20, 104873), (31, 67660), (34, 61690), (62, 33830), (68, 30845), (85, 24676), (124, 16915), (155, 13532), (170, 12338), (199, 10540), (310, 6766), (340, 6169), (398, 5270), (527, 3980), (620, 3383), (796, 2635), (995, 2108), (1054, 1990)]