2018709880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3697}}^1$

素因数の和:3809

約数の個数: 128

約数和(自身を含む): 5319794880

約数和(自身を除く): 3301085000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 73, 85, 88, 110, 136, 146, 170, 187, 220, 292, 340, 365, 374, 440, 584, 680, 730, 748, 803, 935, 1241, 1460, 1496, 1606, 1870, 2482, 2920, 3212, 3697, 3740, 4015, 4964, 6205, 6424, 7394, 7480, 8030, 9928, 12410, 13651, 14788, 16060, 18485, 24820, 27302, 29576, 32120, 36970, 40667, 49640, 54604, 62849, 68255, 73940, 81334, 109208, 125698, 136510, 147880, 162668, 203335, 251396, 269881, 273020, 314245, 325336, 406670, 502792, 539762, 546040, 628490, 691339, 813340, 1079524, 1256980, 1349405, 1382678, 1626680, 2159048, 2513960, 2698810, 2765356, 2968691, 3456695, 4587977, 5397620, 5530712, 5937382, 6913390, 9175954, 10795240, 11874764, 13826780, 14843455, 18351908, 22939885, 23749528, 27653560, 29686910, 36703816, 45879770, 50467747, 59373820, 91759540, 100935494, 118747640, 183519080, 201870988, 252338735, 403741976, 504677470, 1009354940, 2018709880]

約数ペア:

[(1, 2018709880), (2, 1009354940), (4, 504677470), (5, 403741976), (8, 252338735), (10, 201870988), (11, 183519080), (17, 118747640), (20, 100935494), (22, 91759540), (34, 59373820), (40, 50467747), (44, 45879770), (55, 36703816), (68, 29686910), (73, 27653560), (85, 23749528), (88, 22939885), (110, 18351908), (136, 14843455), (146, 13826780), (170, 11874764), (187, 10795240), (220, 9175954), (292, 6913390), (340, 5937382), (365, 5530712), (374, 5397620), (440, 4587977), (584, 3456695), (680, 2968691), (730, 2765356), (748, 2698810), (803, 2513960), (935, 2159048), (1241, 1626680), (1460, 1382678), (1496, 1349405), (1606, 1256980), (1870, 1079524), (2482, 813340), (2920, 691339), (3212, 628490), (3697, 546040), (3740, 539762), (4015, 502792), (4964, 406670), (6205, 325336), (6424, 314245), (7394, 273020), (7480, 269881), (8030, 251396), (9928, 203335), (12410, 162668), (13651, 147880), (14788, 136510), (16060, 125698), (18485, 109208), (24820, 81334), (27302, 73940), (29576, 68255), (32120, 62849), (36970, 54604), (40667, 49640)]