257920650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{44089}}^1$

素因数の和:44120

約数の個数: 72

約数和(自身を含む): 746267340

約数和(自身を除く): 488346690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 44089, 88178, 132267, 220445, 264534, 396801, 440890, 573157, 661335, 793602, 1102225, 1146314, 1322670, 1719471, 1984005, 2204450, 2865785, 3306675, 3438942, 3968010, 5158413, 5731570, 6613350, 8597355, 9920025, 10316826, 14328925, 17194710, 19840050, 25792065, 28657850, 42986775, 51584130, 85973550, 128960325, 257920650]

約数ペア:

[(1, 257920650), (2, 128960325), (3, 85973550), (5, 51584130), (6, 42986775), (9, 28657850), (10, 25792065), (13, 19840050), (15, 17194710), (18, 14328925), (25, 10316826), (26, 9920025), (30, 8597355), (39, 6613350), (45, 5731570), (50, 5158413), (65, 3968010), (75, 3438942), (78, 3306675), (90, 2865785), (117, 2204450), (130, 1984005), (150, 1719471), (195, 1322670), (225, 1146314), (234, 1102225), (325, 793602), (390, 661335), (450, 573157), (585, 440890), (650, 396801), (975, 264534), (1170, 220445), (1950, 132267), (2925, 88178), (5850, 44089)]