1261422100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1487}}^1$

素因数の和:2017

約数の個数: 72

約数和(自身を含む): 2906064000

約数和(自身を除く): 1644641900

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 499, 850, 998, 1487, 1700, 1996, 2495, 2974, 4990, 5948, 7435, 8483, 9980, 12475, 14870, 16966, 24950, 25279, 29740, 33932, 37175, 42415, 49900, 50558, 74350, 84830, 101116, 126395, 148700, 169660, 212075, 252790, 424150, 505580, 631975, 742013, 848300, 1263950, 1484026, 2527900, 2968052, 3710065, 7420130, 12614221, 14840260, 18550325, 25228442, 37100650, 50456884, 63071105, 74201300, 126142210, 252284420, 315355525, 630711050, 1261422100]

約数ペア:

[(1, 1261422100), (2, 630711050), (4, 315355525), (5, 252284420), (10, 126142210), (17, 74201300), (20, 63071105), (25, 50456884), (34, 37100650), (50, 25228442), (68, 18550325), (85, 14840260), (100, 12614221), (170, 7420130), (340, 3710065), (425, 2968052), (499, 2527900), (850, 1484026), (998, 1263950), (1487, 848300), (1700, 742013), (1996, 631975), (2495, 505580), (2974, 424150), (4990, 252790), (5948, 212075), (7435, 169660), (8483, 148700), (9980, 126395), (12475, 101116), (14870, 84830), (16966, 74350), (24950, 50558), (25279, 49900), (29740, 42415), (33932, 37175)]