191737390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 397897920

約数和(自身を除く): 206160530

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 101, 130, 170, 202, 221, 442, 505, 859, 1010, 1105, 1313, 1717, 1718, 2210, 2626, 3434, 4295, 6565, 8585, 8590, 11167, 13130, 14603, 17170, 22321, 22334, 29206, 44642, 55835, 73015, 86759, 111605, 111670, 146030, 173518, 189839, 223210, 379678, 433795, 867590, 949195, 1127867, 1474903, 1898390, 2255734, 2949806, 5639335, 7374515, 11278670, 14749030, 19173739, 38347478, 95868695, 191737390]

約数ペア:

[(1, 191737390), (2, 95868695), (5, 38347478), (10, 19173739), (13, 14749030), (17, 11278670), (26, 7374515), (34, 5639335), (65, 2949806), (85, 2255734), (101, 1898390), (130, 1474903), (170, 1127867), (202, 949195), (221, 867590), (442, 433795), (505, 379678), (859, 223210), (1010, 189839), (1105, 173518), (1313, 146030), (1717, 111670), (1718, 111605), (2210, 86759), (2626, 73015), (3434, 55835), (4295, 44642), (6565, 29206), (8585, 22334), (8590, 22321), (11167, 17170), (13130, 14603)]