90474020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49711}}^1$

素因数の和:49740

約数の個数: 48

約数和(自身を含む): 233845248

約数和(自身を除く): 143371228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 49711, 99422, 198844, 248555, 347977, 497110, 646243, 695954, 994220, 1292486, 1391908, 1739885, 2584972, 3231215, 3479770, 4523701, 6462430, 6959540, 9047402, 12924860, 18094804, 22618505, 45237010, 90474020]

約数ペア:

[(1, 90474020), (2, 45237010), (4, 22618505), (5, 18094804), (7, 12924860), (10, 9047402), (13, 6959540), (14, 6462430), (20, 4523701), (26, 3479770), (28, 3231215), (35, 2584972), (52, 1739885), (65, 1391908), (70, 1292486), (91, 994220), (130, 695954), (140, 646243), (182, 497110), (260, 347977), (364, 248555), (455, 198844), (910, 99422), (1820, 49711)]