68894140

素因数分解:

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

素因数の和:355

約数の個数: 96

約数和(自身を含む): 174182400

約数和(自身を除く): 105288260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 116, 140, 142, 145, 203, 239, 284, 290, 355, 406, 478, 497, 580, 710, 812, 956, 994, 1015, 1195, 1420, 1673, 1988, 2030, 2059, 2390, 2485, 3346, 4060, 4118, 4780, 4970, 6692, 6931, 8236, 8365, 9940, 10295, 13862, 14413, 16730, 16969, 20590, 27724, 28826, 33460, 33938, 34655, 41180, 48517, 57652, 67876, 69310, 72065, 84845, 97034, 118783, 138620, 144130, 169690, 194068, 237566, 242585, 288260, 339380, 475132, 485170, 492101, 593915, 970340, 984202, 1187830, 1968404, 2375660, 2460505, 3444707, 4921010, 6889414, 9842020, 13778828, 17223535, 34447070, 68894140]

約数ペア:

[(1, 68894140), (2, 34447070), (4, 17223535), (5, 13778828), (7, 9842020), (10, 6889414), (14, 4921010), (20, 3444707), (28, 2460505), (29, 2375660), (35, 1968404), (58, 1187830), (70, 984202), (71, 970340), (116, 593915), (140, 492101), (142, 485170), (145, 475132), (203, 339380), (239, 288260), (284, 242585), (290, 237566), (355, 194068), (406, 169690), (478, 144130), (497, 138620), (580, 118783), (710, 97034), (812, 84845), (956, 72065), (994, 69310), (1015, 67876), (1195, 57652), (1420, 48517), (1673, 41180), (1988, 34655), (2030, 33938), (2059, 33460), (2390, 28826), (2485, 27724), (3346, 20590), (4060, 16969), (4118, 16730), (4780, 14413), (4970, 13862), (6692, 10295), (6931, 9940), (8236, 8365)]