340918480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{86969}}^1$

素因数の和:86996

約数の個数: 60

約数和(自身を含む): 922055940

約数和(自身を除く): 581137460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 86969, 173938, 347876, 434845, 608783, 695752, 869690, 1217566, 1391504, 1739380, 2435132, 3043915, 3478760, 4261481, 4870264, 6087830, 6957520, 8522962, 9740528, 12175660, 17045924, 21307405, 24351320, 34091848, 42614810, 48702640, 68183696, 85229620, 170459240, 340918480]

約数ペア:

[(1, 340918480), (2, 170459240), (4, 85229620), (5, 68183696), (7, 48702640), (8, 42614810), (10, 34091848), (14, 24351320), (16, 21307405), (20, 17045924), (28, 12175660), (35, 9740528), (40, 8522962), (49, 6957520), (56, 6087830), (70, 4870264), (80, 4261481), (98, 3478760), (112, 3043915), (140, 2435132), (196, 1739380), (245, 1391504), (280, 1217566), (392, 869690), (490, 695752), (560, 608783), (784, 434845), (980, 347876), (1960, 173938), (3920, 86969)]