309305259100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{260863}}^1$

素因数の和:261115

約数の個数: 72

約数和(自身を含む): 684724174848

約数和(自身を除く): 375418915748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 167, 284, 334, 355, 668, 710, 835, 1420, 1670, 1775, 3340, 3550, 4175, 7100, 8350, 11857, 16700, 23714, 47428, 59285, 118570, 237140, 260863, 296425, 521726, 592850, 1043452, 1185700, 1304315, 2608630, 5217260, 6521575, 13043150, 18521273, 26086300, 37042546, 43564121, 74085092, 87128242, 92606365, 174256484, 185212730, 217820605, 370425460, 435641210, 463031825, 871282420, 926063650, 1089103025, 1852127300, 2178206050, 3093052591, 4356412100, 6186105182, 12372210364, 15465262955, 30930525910, 61861051820, 77326314775, 154652629550, 309305259100]

約数ペア:

[(1, 309305259100), (2, 154652629550), (4, 77326314775), (5, 61861051820), (10, 30930525910), (20, 15465262955), (25, 12372210364), (50, 6186105182), (71, 4356412100), (100, 3093052591), (142, 2178206050), (167, 1852127300), (284, 1089103025), (334, 926063650), (355, 871282420), (668, 463031825), (710, 435641210), (835, 370425460), (1420, 217820605), (1670, 185212730), (1775, 174256484), (3340, 92606365), (3550, 87128242), (4175, 74085092), (7100, 43564121), (8350, 37042546), (11857, 26086300), (16700, 18521273), (23714, 13043150), (47428, 6521575), (59285, 5217260), (118570, 2608630), (237140, 1304315), (260863, 1185700), (296425, 1043452), (521726, 592850)]