215449360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20288

約数の個数: 80

約数和(自身を含む): 602640000

約数和(自身を除く): 387190640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 20249, 40498, 80996, 101245, 141743, 161992, 202490, 283486, 323984, 384731, 404980, 566972, 708715, 769462, 809960, 1133944, 1417430, 1538924, 1619920, 1923655, 2267888, 2693117, 2834860, 3077848, 3847310, 5386234, 5669720, 6155696, 7694620, 10772468, 11339440, 13465585, 15389240, 21544936, 26931170, 30778480, 43089872, 53862340, 107724680, 215449360]

約数ペア:

[(1, 215449360), (2, 107724680), (4, 53862340), (5, 43089872), (7, 30778480), (8, 26931170), (10, 21544936), (14, 15389240), (16, 13465585), (19, 11339440), (20, 10772468), (28, 7694620), (35, 6155696), (38, 5669720), (40, 5386234), (56, 3847310), (70, 3077848), (76, 2834860), (80, 2693117), (95, 2267888), (112, 1923655), (133, 1619920), (140, 1538924), (152, 1417430), (190, 1133944), (266, 809960), (280, 769462), (304, 708715), (380, 566972), (532, 404980), (560, 384731), (665, 323984), (760, 283486), (1064, 202490), (1330, 161992), (1520, 141743), (2128, 101245), (2660, 80996), (5320, 40498), (10640, 20249)]