221447260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1423}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 482291712

約数和(自身を除く): 260844452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 251, 310, 502, 620, 1004, 1255, 1423, 2510, 2846, 5020, 5692, 7115, 7781, 14230, 15562, 28460, 31124, 38905, 44113, 77810, 88226, 155620, 176452, 220565, 357173, 441130, 714346, 882260, 1428692, 1785865, 3571730, 7143460, 11072363, 22144726, 44289452, 55361815, 110723630, 221447260]

約数ペア:

[(1, 221447260), (2, 110723630), (4, 55361815), (5, 44289452), (10, 22144726), (20, 11072363), (31, 7143460), (62, 3571730), (124, 1785865), (155, 1428692), (251, 882260), (310, 714346), (502, 441130), (620, 357173), (1004, 220565), (1255, 176452), (1423, 155620), (2510, 88226), (2846, 77810), (5020, 44113), (5692, 38905), (7115, 31124), (7781, 28460), (14230, 15562)]