200982920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 471398400

約数和(自身を除く): 270415480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1090, 1240, 1487, 2180, 2974, 3379, 4360, 5948, 6758, 7435, 11896, 13516, 14870, 16895, 27032, 29740, 33790, 46097, 59480, 67580, 92194, 135160, 162083, 184388, 230485, 324166, 368776, 460970, 648332, 810415, 921940, 1296664, 1620830, 1843880, 3241660, 5024573, 6483320, 10049146, 20098292, 25122865, 40196584, 50245730, 100491460, 200982920]

約数ペア:

[(1, 200982920), (2, 100491460), (4, 50245730), (5, 40196584), (8, 25122865), (10, 20098292), (20, 10049146), (31, 6483320), (40, 5024573), (62, 3241660), (109, 1843880), (124, 1620830), (155, 1296664), (218, 921940), (248, 810415), (310, 648332), (436, 460970), (545, 368776), (620, 324166), (872, 230485), (1090, 184388), (1240, 162083), (1487, 135160), (2180, 92194), (2974, 67580), (3379, 59480), (4360, 46097), (5948, 33790), (6758, 29740), (7435, 27032), (11896, 16895), (13516, 14870)]