734804780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{19429}}^1$

素因数の和:19530

約数の個数: 48

約数和(自身を含む): 1619063040

約数和(自身を除く): 884258260

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 19429, 37820, 38858, 77716, 97145, 194290, 388580, 602299, 1185169, 1204598, 2370338, 2409196, 3011495, 4740676, 5925845, 6022990, 11851690, 12045980, 23703380, 36740239, 73480478, 146960956, 183701195, 367402390, 734804780]

約数ペア:

[(1, 734804780), (2, 367402390), (4, 183701195), (5, 146960956), (10, 73480478), (20, 36740239), (31, 23703380), (61, 12045980), (62, 11851690), (122, 6022990), (124, 5925845), (155, 4740676), (244, 3011495), (305, 2409196), (310, 2370338), (610, 1204598), (620, 1185169), (1220, 602299), (1891, 388580), (3782, 194290), (7564, 97145), (9455, 77716), (18910, 38858), (19429, 37820)]