65460700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 151240320

約数和(自身を除く): 85779620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 263, 380, 475, 524, 526, 655, 950, 1052, 1310, 1315, 1900, 2489, 2620, 2630, 3275, 4978, 4997, 5260, 6550, 6575, 9956, 9994, 12445, 13100, 13150, 19988, 24890, 24985, 26300, 34453, 49780, 49970, 62225, 68906, 99940, 124450, 124925, 137812, 172265, 248900, 249850, 344530, 499700, 654607, 689060, 861325, 1309214, 1722650, 2618428, 3273035, 3445300, 6546070, 13092140, 16365175, 32730350, 65460700]

約数ペア:

[(1, 65460700), (2, 32730350), (4, 16365175), (5, 13092140), (10, 6546070), (19, 3445300), (20, 3273035), (25, 2618428), (38, 1722650), (50, 1309214), (76, 861325), (95, 689060), (100, 654607), (131, 499700), (190, 344530), (262, 249850), (263, 248900), (380, 172265), (475, 137812), (524, 124925), (526, 124450), (655, 99940), (950, 68906), (1052, 62225), (1310, 49970), (1315, 49780), (1900, 34453), (2489, 26300), (2620, 24985), (2630, 24890), (3275, 19988), (4978, 13150), (4997, 13100), (5260, 12445), (6550, 9994), (6575, 9956)]