213735220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 502135200

約数和(自身を除く): 288399980

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 53, 58, 68, 85, 106, 116, 145, 170, 212, 265, 290, 340, 409, 493, 530, 580, 818, 901, 986, 1060, 1537, 1636, 1802, 1972, 2045, 2465, 3074, 3604, 4090, 4505, 4930, 6148, 6953, 7685, 8180, 9010, 9860, 11861, 13906, 15370, 18020, 21677, 23722, 26129, 27812, 30740, 34765, 43354, 47444, 52258, 59305, 69530, 86708, 104516, 108385, 118610, 130645, 139060, 201637, 216770, 237220, 261290, 368509, 403274, 433540, 522580, 628633, 737018, 806548, 1008185, 1257266, 1474036, 1842545, 2016370, 2514532, 3143165, 3685090, 4032740, 6286330, 7370180, 10686761, 12572660, 21373522, 42747044, 53433805, 106867610, 213735220]

約数ペア:

[(1, 213735220), (2, 106867610), (4, 53433805), (5, 42747044), (10, 21373522), (17, 12572660), (20, 10686761), (29, 7370180), (34, 6286330), (53, 4032740), (58, 3685090), (68, 3143165), (85, 2514532), (106, 2016370), (116, 1842545), (145, 1474036), (170, 1257266), (212, 1008185), (265, 806548), (290, 737018), (340, 628633), (409, 522580), (493, 433540), (530, 403274), (580, 368509), (818, 261290), (901, 237220), (986, 216770), (1060, 201637), (1537, 139060), (1636, 130645), (1802, 118610), (1972, 108385), (2045, 104516), (2465, 86708), (3074, 69530), (3604, 59305), (4090, 52258), (4505, 47444), (4930, 43354), (6148, 34765), (6953, 30740), (7685, 27812), (8180, 26129), (9010, 23722), (9860, 21677), (11861, 18020), (13906, 15370)]