47801900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 108274320

約数和(自身を除く): 60472420

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 89, 100, 131, 164, 178, 205, 262, 356, 410, 445, 524, 655, 820, 890, 1025, 1310, 1780, 2050, 2225, 2620, 3275, 3649, 4100, 4450, 5371, 6550, 7298, 8900, 10742, 11659, 13100, 14596, 18245, 21484, 23318, 26855, 36490, 46636, 53710, 58295, 72980, 91225, 107420, 116590, 134275, 182450, 233180, 268550, 291475, 364900, 478019, 537100, 582950, 956038, 1165900, 1912076, 2390095, 4780190, 9560380, 11950475, 23900950, 47801900]

約数ペア:

[(1, 47801900), (2, 23900950), (4, 11950475), (5, 9560380), (10, 4780190), (20, 2390095), (25, 1912076), (41, 1165900), (50, 956038), (82, 582950), (89, 537100), (100, 478019), (131, 364900), (164, 291475), (178, 268550), (205, 233180), (262, 182450), (356, 134275), (410, 116590), (445, 107420), (524, 91225), (655, 72980), (820, 58295), (890, 53710), (1025, 46636), (1310, 36490), (1780, 26855), (2050, 23318), (2225, 21484), (2620, 18245), (3275, 14596), (3649, 13100), (4100, 11659), (4450, 10742), (5371, 8900), (6550, 7298)]