331320920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4951}}^1$

素因数の和:5208

約数の個数: 64

約数和(自身を含む): 855705600

約数和(自身を除く): 524384680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 4780, 4951, 6692, 8365, 9560, 9902, 13384, 16730, 19804, 24755, 33460, 34657, 39608, 49510, 66920, 69314, 99020, 138628, 173285, 198040, 277256, 346570, 693140, 1183289, 1386280, 2366578, 4733156, 5916445, 8283023, 9466312, 11832890, 16566046, 23665780, 33132092, 41415115, 47331560, 66264184, 82830230, 165660460, 331320920]

約数ペア:

[(1, 331320920), (2, 165660460), (4, 82830230), (5, 66264184), (7, 47331560), (8, 41415115), (10, 33132092), (14, 23665780), (20, 16566046), (28, 11832890), (35, 9466312), (40, 8283023), (56, 5916445), (70, 4733156), (140, 2366578), (239, 1386280), (280, 1183289), (478, 693140), (956, 346570), (1195, 277256), (1673, 198040), (1912, 173285), (2390, 138628), (3346, 99020), (4780, 69314), (4951, 66920), (6692, 49510), (8365, 39608), (9560, 34657), (9902, 33460), (13384, 24755), (16730, 19804)]