29729980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2909}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 72354240

約数和(自身を除く): 42624260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 2909, 5110, 5818, 10220, 11636, 14545, 20363, 29090, 40726, 58180, 81452, 101815, 203630, 212357, 407260, 424714, 849428, 1061785, 1486499, 2123570, 2972998, 4247140, 5945996, 7432495, 14864990, 29729980]

約数ペア:

[(1, 29729980), (2, 14864990), (4, 7432495), (5, 5945996), (7, 4247140), (10, 2972998), (14, 2123570), (20, 1486499), (28, 1061785), (35, 849428), (70, 424714), (73, 407260), (140, 212357), (146, 203630), (292, 101815), (365, 81452), (511, 58180), (730, 40726), (1022, 29090), (1460, 20363), (2044, 14545), (2555, 11636), (2909, 10220), (5110, 5818)]