173708420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4243}}^1$

素因数の和:4364

約数の個数: 48

約数和(自身を含む): 385015680

約数和(自身を除く): 211307260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 4243, 8188, 8486, 10235, 16972, 20470, 21215, 40940, 42430, 84860, 97589, 195178, 377627, 390356, 487945, 755254, 975890, 1510508, 1888135, 1951780, 3776270, 7552540, 8685421, 17370842, 34741684, 43427105, 86854210, 173708420]

約数ペア:

[(1, 173708420), (2, 86854210), (4, 43427105), (5, 34741684), (10, 17370842), (20, 8685421), (23, 7552540), (46, 3776270), (89, 1951780), (92, 1888135), (115, 1510508), (178, 975890), (230, 755254), (356, 487945), (445, 390356), (460, 377627), (890, 195178), (1780, 97589), (2047, 84860), (4094, 42430), (4243, 40940), (8188, 21215), (8486, 20470), (10235, 16972)]