129716620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 310153536

約数和(自身を除く): 180436916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 73, 82, 110, 146, 164, 197, 205, 220, 292, 365, 394, 410, 451, 730, 788, 803, 820, 902, 985, 1460, 1606, 1804, 1970, 2167, 2255, 2993, 3212, 3940, 4015, 4334, 4510, 5986, 8030, 8077, 8668, 9020, 10835, 11972, 14381, 14965, 16060, 16154, 21670, 28762, 29930, 32308, 32923, 40385, 43340, 57524, 59860, 65846, 71905, 80770, 88847, 131692, 143810, 158191, 161540, 164615, 177694, 287620, 316382, 329230, 355388, 444235, 589621, 632764, 658460, 790955, 888470, 1179242, 1581910, 1776940, 2358484, 2948105, 3163820, 5896210, 6485831, 11792420, 12971662, 25943324, 32429155, 64858310, 129716620]

約数ペア:

[(1, 129716620), (2, 64858310), (4, 32429155), (5, 25943324), (10, 12971662), (11, 11792420), (20, 6485831), (22, 5896210), (41, 3163820), (44, 2948105), (55, 2358484), (73, 1776940), (82, 1581910), (110, 1179242), (146, 888470), (164, 790955), (197, 658460), (205, 632764), (220, 589621), (292, 444235), (365, 355388), (394, 329230), (410, 316382), (451, 287620), (730, 177694), (788, 164615), (803, 161540), (820, 158191), (902, 143810), (985, 131692), (1460, 88847), (1606, 80770), (1804, 71905), (1970, 65846), (2167, 59860), (2255, 57524), (2993, 43340), (3212, 40385), (3940, 32923), (4015, 32308), (4334, 29930), (4510, 28762), (5986, 21670), (8030, 16154), (8077, 16060), (8668, 14965), (9020, 14381), (10835, 11972)]