210966160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 509824512

約数和(自身を除く): 298858352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 310, 331, 496, 514, 620, 662, 1028, 1240, 1285, 1324, 1655, 2056, 2480, 2570, 2648, 3310, 4112, 5140, 5296, 6620, 7967, 10261, 10280, 13240, 15934, 20522, 20560, 26480, 31868, 39835, 41044, 51305, 63736, 79670, 82088, 85067, 102610, 127472, 159340, 164176, 170134, 205220, 318680, 340268, 410440, 425335, 637360, 680536, 820880, 850670, 1361072, 1701340, 2637077, 3402680, 5274154, 6805360, 10548308, 13185385, 21096616, 26370770, 42193232, 52741540, 105483080, 210966160]

約数ペア:

[(1, 210966160), (2, 105483080), (4, 52741540), (5, 42193232), (8, 26370770), (10, 21096616), (16, 13185385), (20, 10548308), (31, 6805360), (40, 5274154), (62, 3402680), (80, 2637077), (124, 1701340), (155, 1361072), (248, 850670), (257, 820880), (310, 680536), (331, 637360), (496, 425335), (514, 410440), (620, 340268), (662, 318680), (1028, 205220), (1240, 170134), (1285, 164176), (1324, 159340), (1655, 127472), (2056, 102610), (2480, 85067), (2570, 82088), (2648, 79670), (3310, 63736), (4112, 51305), (5140, 41044), (5296, 39835), (6620, 31868), (7967, 26480), (10261, 20560), (10280, 20522), (13240, 15934)]