9790020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 29988504

約数和(自身を除く): 20198484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 397, 411, 548, 685, 794, 822, 1191, 1233, 1370, 1588, 1644, 1985, 2055, 2382, 2466, 2740, 3573, 3970, 4110, 4764, 4932, 5955, 6165, 7146, 7940, 8220, 11910, 12330, 14292, 17865, 23820, 24660, 35730, 54389, 71460, 108778, 163167, 217556, 271945, 326334, 489501, 543890, 652668, 815835, 979002, 1087780, 1631670, 1958004, 2447505, 3263340, 4895010, 9790020]

約数ペア:

[(1, 9790020), (2, 4895010), (3, 3263340), (4, 2447505), (5, 1958004), (6, 1631670), (9, 1087780), (10, 979002), (12, 815835), (15, 652668), (18, 543890), (20, 489501), (30, 326334), (36, 271945), (45, 217556), (60, 163167), (90, 108778), (137, 71460), (180, 54389), (274, 35730), (397, 24660), (411, 23820), (548, 17865), (685, 14292), (794, 12330), (822, 11910), (1191, 8220), (1233, 7940), (1370, 7146), (1588, 6165), (1644, 5955), (1985, 4932), (2055, 4764), (2382, 4110), (2466, 3970), (2740, 3573)]