31298800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{463}}^1$

素因数の和:507

約数の個数: 90

約数和(自身を含む): 81600432

約数和(自身を除く): 50301632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 463, 520, 650, 676, 845, 926, 1040, 1300, 1352, 1690, 1852, 2315, 2600, 2704, 3380, 3704, 4225, 4630, 5200, 6019, 6760, 7408, 8450, 9260, 11575, 12038, 13520, 16900, 18520, 23150, 24076, 30095, 33800, 37040, 46300, 48152, 60190, 67600, 78247, 92600, 96304, 120380, 150475, 156494, 185200, 240760, 300950, 312988, 391235, 481520, 601900, 625976, 782470, 1203800, 1251952, 1564940, 1956175, 2407600, 3129880, 3912350, 6259760, 7824700, 15649400, 31298800]

約数ペア:

[(1, 31298800), (2, 15649400), (4, 7824700), (5, 6259760), (8, 3912350), (10, 3129880), (13, 2407600), (16, 1956175), (20, 1564940), (25, 1251952), (26, 1203800), (40, 782470), (50, 625976), (52, 601900), (65, 481520), (80, 391235), (100, 312988), (104, 300950), (130, 240760), (169, 185200), (200, 156494), (208, 150475), (260, 120380), (325, 96304), (338, 92600), (400, 78247), (463, 67600), (520, 60190), (650, 48152), (676, 46300), (845, 37040), (926, 33800), (1040, 30095), (1300, 24076), (1352, 23150), (1690, 18520), (1852, 16900), (2315, 13520), (2600, 12038), (2704, 11575), (3380, 9260), (3704, 8450), (4225, 7408), (4630, 6760), (5200, 6019)]