122573750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 80

約数和(自身を含む): 261103920

約数和(自身を除く): 138530170

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 397, 475, 494, 625, 650, 794, 950, 1235, 1250, 1625, 1985, 2375, 2470, 3250, 3970, 4750, 5161, 6175, 7543, 8125, 9925, 10322, 11875, 12350, 15086, 16250, 19850, 23750, 25805, 30875, 37715, 49625, 51610, 61750, 75430, 98059, 99250, 129025, 154375, 188575, 196118, 248125, 258050, 308750, 377150, 490295, 496250, 645125, 942875, 980590, 1290250, 1885750, 2451475, 3225625, 4714375, 4902950, 6451250, 9428750, 12257375, 24514750, 61286875, 122573750]

約数ペア:

[(1, 122573750), (2, 61286875), (5, 24514750), (10, 12257375), (13, 9428750), (19, 6451250), (25, 4902950), (26, 4714375), (38, 3225625), (50, 2451475), (65, 1885750), (95, 1290250), (125, 980590), (130, 942875), (190, 645125), (247, 496250), (250, 490295), (325, 377150), (397, 308750), (475, 258050), (494, 248125), (625, 196118), (650, 188575), (794, 154375), (950, 129025), (1235, 99250), (1250, 98059), (1625, 75430), (1985, 61750), (2375, 51610), (2470, 49625), (3250, 37715), (3970, 30875), (4750, 25805), (5161, 23750), (6175, 19850), (7543, 16250), (8125, 15086), (9925, 12350), (10322, 11875)]