137788280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 373248000

約数和(自身を除く): 235459720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 140, 142, 145, 203, 232, 239, 280, 284, 290, 355, 406, 478, 497, 568, 580, 710, 812, 956, 994, 1015, 1160, 1195, 1420, 1624, 1673, 1912, 1988, 2030, 2059, 2390, 2485, 2840, 3346, 3976, 4060, 4118, 4780, 4970, 6692, 6931, 8120, 8236, 8365, 9560, 9940, 10295, 13384, 13862, 14413, 16472, 16730, 16969, 19880, 20590, 27724, 28826, 33460, 33938, 34655, 41180, 48517, 55448, 57652, 66920, 67876, 69310, 72065, 82360, 84845, 97034, 115304, 118783, 135752, 138620, 144130, 169690, 194068, 237566, 242585, 277240, 288260, 339380, 388136, 475132, 485170, 492101, 576520, 593915, 678760, 950264, 970340, 984202, 1187830, 1940680, 1968404, 2375660, 2460505, 3444707, 3936808, 4751320, 4921010, 6889414, 9842020, 13778828, 17223535, 19684040, 27557656, 34447070, 68894140, 137788280]

約数ペア:

[(1, 137788280), (2, 68894140), (4, 34447070), (5, 27557656), (7, 19684040), (8, 17223535), (10, 13778828), (14, 9842020), (20, 6889414), (28, 4921010), (29, 4751320), (35, 3936808), (40, 3444707), (56, 2460505), (58, 2375660), (70, 1968404), (71, 1940680), (116, 1187830), (140, 984202), (142, 970340), (145, 950264), (203, 678760), (232, 593915), (239, 576520), (280, 492101), (284, 485170), (290, 475132), (355, 388136), (406, 339380), (478, 288260), (497, 277240), (568, 242585), (580, 237566), (710, 194068), (812, 169690), (956, 144130), (994, 138620), (1015, 135752), (1160, 118783), (1195, 115304), (1420, 97034), (1624, 84845), (1673, 82360), (1912, 72065), (1988, 69310), (2030, 67876), (2059, 66920), (2390, 57652), (2485, 55448), (2840, 48517), (3346, 41180), (3976, 34655), (4060, 33938), (4118, 33460), (4780, 28826), (4970, 27724), (6692, 20590), (6931, 19880), (8120, 16969), (8236, 16730), (8365, 16472), (9560, 14413), (9940, 13862), (10295, 13384)]