30099800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 74502300

約数和(自身を除く): 44402500

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 89, 95, 100, 152, 178, 190, 200, 356, 380, 445, 475, 712, 760, 890, 950, 1691, 1780, 1900, 2225, 3382, 3560, 3800, 4450, 6764, 7921, 8455, 8900, 13528, 15842, 16910, 17800, 31684, 33820, 39605, 42275, 63368, 67640, 79210, 84550, 150499, 158420, 169100, 198025, 300998, 316840, 338200, 396050, 601996, 752495, 792100, 1203992, 1504990, 1584200, 3009980, 3762475, 6019960, 7524950, 15049900, 30099800]

約数ペア:

[(1, 30099800), (2, 15049900), (4, 7524950), (5, 6019960), (8, 3762475), (10, 3009980), (19, 1584200), (20, 1504990), (25, 1203992), (38, 792100), (40, 752495), (50, 601996), (76, 396050), (89, 338200), (95, 316840), (100, 300998), (152, 198025), (178, 169100), (190, 158420), (200, 150499), (356, 84550), (380, 79210), (445, 67640), (475, 63368), (712, 42275), (760, 39605), (890, 33820), (950, 31684), (1691, 17800), (1780, 16910), (1900, 15842), (2225, 13528), (3382, 8900), (3560, 8455), (3800, 7921), (4450, 6764)]