281170480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2726

約数の個数: 80

約数和(自身を含む): 701205120

約数和(自身を除く): 420034640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2617, 2686, 3160, 5234, 5372, 6320, 6715, 10468, 10744, 13085, 13430, 20936, 21488, 26170, 26860, 41872, 44489, 52340, 53720, 88978, 104680, 107440, 177956, 206743, 209360, 222445, 355912, 413486, 444890, 711824, 826972, 889780, 1033715, 1653944, 1779560, 2067430, 3307888, 3514631, 3559120, 4134860, 7029262, 8269720, 14058524, 16539440, 17573155, 28117048, 35146310, 56234096, 70292620, 140585240, 281170480]

約数ペア:

[(1, 281170480), (2, 140585240), (4, 70292620), (5, 56234096), (8, 35146310), (10, 28117048), (16, 17573155), (17, 16539440), (20, 14058524), (34, 8269720), (40, 7029262), (68, 4134860), (79, 3559120), (80, 3514631), (85, 3307888), (136, 2067430), (158, 1779560), (170, 1653944), (272, 1033715), (316, 889780), (340, 826972), (395, 711824), (632, 444890), (680, 413486), (790, 355912), (1264, 222445), (1343, 209360), (1360, 206743), (1580, 177956), (2617, 107440), (2686, 104680), (3160, 88978), (5234, 53720), (5372, 52340), (6320, 44489), (6715, 41872), (10468, 26860), (10744, 26170), (13085, 21488), (13430, 20936)]