2420199400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{198377}}^1$

素因数の和:198454

約数の個数: 48

約数和(自身を含む): 5719237740

約数和(自身を除く): 3299038340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 198377, 396754, 793508, 991885, 1587016, 1983770, 3967540, 4959425, 7935080, 9918850, 12100997, 19837700, 24201994, 39675400, 48403988, 60504985, 96807976, 121009970, 242019940, 302524925, 484039880, 605049850, 1210099700, 2420199400]

約数ペア:

[(1, 2420199400), (2, 1210099700), (4, 605049850), (5, 484039880), (8, 302524925), (10, 242019940), (20, 121009970), (25, 96807976), (40, 60504985), (50, 48403988), (61, 39675400), (100, 24201994), (122, 19837700), (200, 12100997), (244, 9918850), (305, 7935080), (488, 4959425), (610, 3967540), (1220, 1983770), (1525, 1587016), (2440, 991885), (3050, 793508), (6100, 396754), (12200, 198377)]