201425980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19709}}^1$

素因数の和:19798

約数の個数: 48

約数和(自身を含む): 490069440

約数和(自身を除く): 288643460

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, 5110, 10220, 19709, 39418, 78836, 98545, 137963, 197090, 275926, 394180, 551852, 689815, 1379630, 1438757, 2759260, 2877514, 5755028, 7193785, 10071299, 14387570, 20142598, 28775140, 40285196, 50356495, 100712990, 201425980]

約数ペア:

[(1, 201425980), (2, 100712990), (4, 50356495), (5, 40285196), (7, 28775140), (10, 20142598), (14, 14387570), (20, 10071299), (28, 7193785), (35, 5755028), (70, 2877514), (73, 2759260), (140, 1438757), (146, 1379630), (292, 689815), (365, 551852), (511, 394180), (730, 275926), (1022, 197090), (1460, 137963), (2044, 98545), (2555, 78836), (5110, 39418), (10220, 19709)]