82456900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 187932416

約数和(自身を除く): 105475516

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 67, 100, 124, 134, 155, 268, 310, 335, 397, 620, 670, 775, 794, 1340, 1550, 1588, 1675, 1985, 2077, 3100, 3350, 3970, 4154, 6700, 7940, 8308, 9925, 10385, 12307, 19850, 20770, 24614, 26599, 39700, 41540, 49228, 51925, 53198, 61535, 103850, 106396, 123070, 132995, 207700, 246140, 265990, 307675, 531980, 615350, 664975, 824569, 1230700, 1329950, 1649138, 2659900, 3298276, 4122845, 8245690, 16491380, 20614225, 41228450, 82456900]

約数ペア:

[(1, 82456900), (2, 41228450), (4, 20614225), (5, 16491380), (10, 8245690), (20, 4122845), (25, 3298276), (31, 2659900), (50, 1649138), (62, 1329950), (67, 1230700), (100, 824569), (124, 664975), (134, 615350), (155, 531980), (268, 307675), (310, 265990), (335, 246140), (397, 207700), (620, 132995), (670, 123070), (775, 106396), (794, 103850), (1340, 61535), (1550, 53198), (1588, 51925), (1675, 49228), (1985, 41540), (2077, 39700), (3100, 26599), (3350, 24614), (3970, 20770), (4154, 19850), (6700, 12307), (7940, 10385), (8308, 9925)]