211665570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 520680960

約数和(自身を除く): 309015390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 239, 265, 318, 478, 530, 557, 717, 795, 1114, 1195, 1434, 1590, 1671, 2390, 2785, 3342, 3585, 5570, 7170, 8355, 12667, 16710, 25334, 29521, 38001, 59042, 63335, 76002, 88563, 126670, 133123, 147605, 177126, 190005, 266246, 295210, 380010, 399369, 442815, 665615, 798738, 885630, 1331230, 1996845, 3993690, 7055519, 14111038, 21166557, 35277595, 42333114, 70555190, 105832785, 211665570]

約数ペア:

[(1, 211665570), (2, 105832785), (3, 70555190), (5, 42333114), (6, 35277595), (10, 21166557), (15, 14111038), (30, 7055519), (53, 3993690), (106, 1996845), (159, 1331230), (239, 885630), (265, 798738), (318, 665615), (478, 442815), (530, 399369), (557, 380010), (717, 295210), (795, 266246), (1114, 190005), (1195, 177126), (1434, 147605), (1590, 133123), (1671, 126670), (2390, 88563), (2785, 76002), (3342, 63335), (3585, 59042), (5570, 38001), (7170, 29521), (8355, 25334), (12667, 16710)]