247962800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20046

約数の個数: 60

約数和(自身を含む): 614978496

約数和(自身を除く): 367015696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 19997, 39994, 79988, 99985, 159976, 199970, 319952, 399940, 499925, 619907, 799880, 999850, 1239814, 1599760, 1999700, 2479628, 3099535, 3999400, 4959256, 6199070, 7998800, 9918512, 12398140, 15497675, 24796280, 30995350, 49592560, 61990700, 123981400, 247962800]

約数ペア:

[(1, 247962800), (2, 123981400), (4, 61990700), (5, 49592560), (8, 30995350), (10, 24796280), (16, 15497675), (20, 12398140), (25, 9918512), (31, 7998800), (40, 6199070), (50, 4959256), (62, 3999400), (80, 3099535), (100, 2479628), (124, 1999700), (155, 1599760), (200, 1239814), (248, 999850), (310, 799880), (400, 619907), (496, 499925), (620, 399940), (775, 319952), (1240, 199970), (1550, 159976), (2480, 99985), (3100, 79988), (6200, 39994), (12400, 19997)]