201448120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 467169120

約数和(自身を除く): 265721000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 344, 346, 430, 677, 692, 860, 865, 1354, 1384, 1720, 1730, 2708, 3385, 3460, 5416, 6770, 6920, 7439, 13540, 14878, 27080, 29111, 29756, 37195, 58222, 59512, 74390, 116444, 117121, 145555, 148780, 232888, 234242, 291110, 297560, 468484, 582220, 585605, 936968, 1164440, 1171210, 2342420, 4684840, 5036203, 10072406, 20144812, 25181015, 40289624, 50362030, 100724060, 201448120]

約数ペア:

[(1, 201448120), (2, 100724060), (4, 50362030), (5, 40289624), (8, 25181015), (10, 20144812), (20, 10072406), (40, 5036203), (43, 4684840), (86, 2342420), (172, 1171210), (173, 1164440), (215, 936968), (344, 585605), (346, 582220), (430, 468484), (677, 297560), (692, 291110), (860, 234242), (865, 232888), (1354, 148780), (1384, 145555), (1720, 117121), (1730, 116444), (2708, 74390), (3385, 59512), (3460, 58222), (5416, 37195), (6770, 29756), (6920, 29111), (7439, 27080), (13540, 14878)]