28609490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 64108800

約数和(自身を除く): 35499310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 149, 182, 211, 298, 422, 455, 745, 910, 1043, 1055, 1477, 1490, 1937, 2086, 2110, 2743, 2954, 3874, 5215, 5486, 7385, 9685, 10430, 13559, 13715, 14770, 19201, 19370, 27118, 27430, 31439, 38402, 62878, 67795, 96005, 135590, 157195, 192010, 220073, 314390, 408707, 440146, 817414, 1100365, 2043535, 2200730, 2860949, 4087070, 5721898, 14304745, 28609490]

約数ペア:

[(1, 28609490), (2, 14304745), (5, 5721898), (7, 4087070), (10, 2860949), (13, 2200730), (14, 2043535), (26, 1100365), (35, 817414), (65, 440146), (70, 408707), (91, 314390), (130, 220073), (149, 192010), (182, 157195), (211, 135590), (298, 96005), (422, 67795), (455, 62878), (745, 38402), (910, 31439), (1043, 27430), (1055, 27118), (1477, 19370), (1490, 19201), (1937, 14770), (2086, 13715), (2110, 13559), (2743, 10430), (2954, 9685), (3874, 7385), (5215, 5486)]