149240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:72

約数の個数: 64

約数和(自身を含む): 423360

約数和(自身を除く): 274120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1640, 1820, 2132, 2296, 2665, 2870, 3640, 3731, 4264, 5330, 5740, 7462, 10660, 11480, 14924, 18655, 21320, 29848, 37310, 74620, 149240]

約数ペア:

[(1, 149240), (2, 74620), (4, 37310), (5, 29848), (7, 21320), (8, 18655), (10, 14924), (13, 11480), (14, 10660), (20, 7462), (26, 5740), (28, 5330), (35, 4264), (40, 3731), (41, 3640), (52, 2870), (56, 2665), (65, 2296), (70, 2132), (82, 1820), (91, 1640), (104, 1435), (130, 1148), (140, 1066), (164, 910), (182, 820), (205, 728), (260, 574), (280, 533), (287, 520), (328, 455), (364, 410)]