102840140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 251475840

約数和(自身を除く): 148635700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 85, 106, 130, 170, 212, 221, 260, 265, 340, 439, 442, 530, 689, 878, 884, 901, 1060, 1105, 1378, 1756, 1802, 2195, 2210, 2756, 3445, 3604, 4390, 4420, 4505, 5707, 6890, 7463, 8780, 9010, 11414, 11713, 13780, 14926, 18020, 22828, 23267, 23426, 28535, 29852, 37315, 46534, 46852, 57070, 58565, 74630, 93068, 97019, 114140, 116335, 117130, 149260, 194038, 232670, 234260, 302471, 388076, 395539, 465340, 485095, 604942, 791078, 970190, 1209884, 1512355, 1582156, 1940380, 1977695, 3024710, 3955390, 5142007, 6049420, 7910780, 10284014, 20568028, 25710035, 51420070, 102840140]

約数ペア:

[(1, 102840140), (2, 51420070), (4, 25710035), (5, 20568028), (10, 10284014), (13, 7910780), (17, 6049420), (20, 5142007), (26, 3955390), (34, 3024710), (52, 1977695), (53, 1940380), (65, 1582156), (68, 1512355), (85, 1209884), (106, 970190), (130, 791078), (170, 604942), (212, 485095), (221, 465340), (260, 395539), (265, 388076), (340, 302471), (439, 234260), (442, 232670), (530, 194038), (689, 149260), (878, 117130), (884, 116335), (901, 114140), (1060, 97019), (1105, 93068), (1378, 74630), (1756, 58565), (1802, 57070), (2195, 46852), (2210, 46534), (2756, 37315), (3445, 29852), (3604, 28535), (4390, 23426), (4420, 23267), (4505, 22828), (5707, 18020), (6890, 14926), (7463, 13780), (8780, 11713), (9010, 11414)]