309970240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31247}}^1$

素因数の和:31295

約数の個数: 56

約数和(自身を含む): 761951232

約数和(自身を除く): 451980992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 31247, 62494, 124988, 156235, 249976, 312470, 499952, 624940, 968657, 999904, 1249880, 1937314, 1999808, 2499760, 3874628, 4843285, 4999520, 7749256, 9686570, 9999040, 15498512, 19373140, 30997024, 38746280, 61994048, 77492560, 154985120, 309970240]

約数ペア:

[(1, 309970240), (2, 154985120), (4, 77492560), (5, 61994048), (8, 38746280), (10, 30997024), (16, 19373140), (20, 15498512), (31, 9999040), (32, 9686570), (40, 7749256), (62, 4999520), (64, 4843285), (80, 3874628), (124, 2499760), (155, 1999808), (160, 1937314), (248, 1249880), (310, 999904), (320, 968657), (496, 624940), (620, 499952), (992, 312470), (1240, 249976), (1984, 156235), (2480, 124988), (4960, 62494), (9920, 31247)]