74144980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40739}}^1$

素因数の和:40768

約数の個数: 48

約数和(自身を含む): 191640960

約数和(自身を除く): 117495980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 40739, 81478, 162956, 203695, 285173, 407390, 529607, 570346, 814780, 1059214, 1140692, 1425865, 2118428, 2648035, 2851730, 3707249, 5296070, 5703460, 7414498, 10592140, 14828996, 18536245, 37072490, 74144980]

約数ペア:

[(1, 74144980), (2, 37072490), (4, 18536245), (5, 14828996), (7, 10592140), (10, 7414498), (13, 5703460), (14, 5296070), (20, 3707249), (26, 2851730), (28, 2648035), (35, 2118428), (52, 1425865), (65, 1140692), (70, 1059214), (91, 814780), (130, 570346), (140, 529607), (182, 407390), (260, 285173), (364, 203695), (455, 162956), (910, 81478), (1820, 40739)]