196998890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 422129232

約数和(自身を除く): 225130342

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 61, 85, 110, 121, 122, 157, 170, 187, 242, 305, 314, 374, 605, 610, 671, 785, 935, 1037, 1210, 1342, 1570, 1727, 1870, 2057, 2074, 2669, 3355, 3454, 4114, 5185, 5338, 6710, 7381, 8635, 9577, 10285, 10370, 11407, 13345, 14762, 17270, 18997, 19154, 20570, 22814, 26690, 29359, 36905, 37994, 47885, 57035, 58718, 73810, 94985, 95770, 105347, 114070, 125477, 146795, 162809, 189970, 210694, 250954, 293590, 322949, 325618, 526735, 627385, 645898, 814045, 1053470, 1158817, 1254770, 1614745, 1628090, 1790899, 2317634, 3229490, 3581798, 5794085, 8954495, 11588170, 17908990, 19699889, 39399778, 98499445, 196998890]

約数ペア:

[(1, 196998890), (2, 98499445), (5, 39399778), (10, 19699889), (11, 17908990), (17, 11588170), (22, 8954495), (34, 5794085), (55, 3581798), (61, 3229490), (85, 2317634), (110, 1790899), (121, 1628090), (122, 1614745), (157, 1254770), (170, 1158817), (187, 1053470), (242, 814045), (305, 645898), (314, 627385), (374, 526735), (605, 325618), (610, 322949), (671, 293590), (785, 250954), (935, 210694), (1037, 189970), (1210, 162809), (1342, 146795), (1570, 125477), (1727, 114070), (1870, 105347), (2057, 95770), (2074, 94985), (2669, 73810), (3355, 58718), (3454, 57035), (4114, 47885), (5185, 37994), (5338, 36905), (6710, 29359), (7381, 26690), (8635, 22814), (9577, 20570), (10285, 19154), (10370, 18997), (11407, 17270), (13345, 14762)]