61897700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 142324224

約数和(自身を除く): 80426524

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 487, 620, 775, 820, 974, 1025, 1271, 1550, 1948, 2050, 2435, 2542, 3100, 4100, 4870, 5084, 6355, 9740, 12175, 12710, 15097, 19967, 24350, 25420, 30194, 31775, 39934, 48700, 60388, 63550, 75485, 79868, 99835, 127100, 150970, 199670, 301940, 377425, 399340, 499175, 618977, 754850, 998350, 1237954, 1509700, 1996700, 2475908, 3094885, 6189770, 12379540, 15474425, 30948850, 61897700]

約数ペア:

[(1, 61897700), (2, 30948850), (4, 15474425), (5, 12379540), (10, 6189770), (20, 3094885), (25, 2475908), (31, 1996700), (41, 1509700), (50, 1237954), (62, 998350), (82, 754850), (100, 618977), (124, 499175), (155, 399340), (164, 377425), (205, 301940), (310, 199670), (410, 150970), (487, 127100), (620, 99835), (775, 79868), (820, 75485), (974, 63550), (1025, 60388), (1271, 48700), (1550, 39934), (1948, 31775), (2050, 30194), (2435, 25420), (2542, 24350), (3100, 19967), (4100, 15097), (4870, 12710), (5084, 12175), (6355, 9740)]