814955900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23899}}^1$

素因数の和:23955

約数の個数: 72

約数和(自身を含む): 1991539200

約数和(自身を除く): 1176583300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6820, 8525, 17050, 23899, 34100, 47798, 95596, 119495, 238990, 262889, 477980, 525778, 597475, 740869, 1051556, 1194950, 1314445, 1481738, 2389900, 2628890, 2963476, 3704345, 5257780, 6572225, 7408690, 8149559, 13144450, 14817380, 16299118, 18521725, 26288900, 32598236, 37043450, 40747795, 74086900, 81495590, 162991180, 203738975, 407477950, 814955900]

約数ペア:

[(1, 814955900), (2, 407477950), (4, 203738975), (5, 162991180), (10, 81495590), (11, 74086900), (20, 40747795), (22, 37043450), (25, 32598236), (31, 26288900), (44, 18521725), (50, 16299118), (55, 14817380), (62, 13144450), (100, 8149559), (110, 7408690), (124, 6572225), (155, 5257780), (220, 3704345), (275, 2963476), (310, 2628890), (341, 2389900), (550, 1481738), (620, 1314445), (682, 1194950), (775, 1051556), (1100, 740869), (1364, 597475), (1550, 525778), (1705, 477980), (3100, 262889), (3410, 238990), (6820, 119495), (8525, 95596), (17050, 47798), (23899, 34100)]