102548140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 220014144

約数和(自身を除く): 117466004

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 257, 281, 284, 355, 514, 562, 710, 1028, 1124, 1285, 1405, 1420, 2570, 2810, 5140, 5620, 18247, 19951, 36494, 39902, 72217, 72988, 79804, 91235, 99755, 144434, 182470, 199510, 288868, 361085, 364940, 399020, 722170, 1444340, 5127407, 10254814, 20509628, 25637035, 51274070, 102548140]

約数ペア:

[(1, 102548140), (2, 51274070), (4, 25637035), (5, 20509628), (10, 10254814), (20, 5127407), (71, 1444340), (142, 722170), (257, 399020), (281, 364940), (284, 361085), (355, 288868), (514, 199510), (562, 182470), (710, 144434), (1028, 99755), (1124, 91235), (1285, 79804), (1405, 72988), (1420, 72217), (2570, 39902), (2810, 36494), (5140, 19951), (5620, 18247)]