201228020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23563}}^1$

素因数の和:23640

約数の個数: 48

約数和(自身を含む): 490885248

約数和(自身を除く): 289657228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 23563, 47126, 94252, 117815, 164941, 235630, 329882, 471260, 659764, 824705, 1437343, 1649410, 2874686, 3298820, 5749372, 7186715, 10061401, 14373430, 20122802, 28746860, 40245604, 50307005, 100614010, 201228020]

約数ペア:

[(1, 201228020), (2, 100614010), (4, 50307005), (5, 40245604), (7, 28746860), (10, 20122802), (14, 14373430), (20, 10061401), (28, 7186715), (35, 5749372), (61, 3298820), (70, 2874686), (122, 1649410), (140, 1437343), (244, 824705), (305, 659764), (427, 471260), (610, 329882), (854, 235630), (1220, 164941), (1708, 117815), (2135, 94252), (4270, 47126), (8540, 23563)]