245580980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 568995840

約数和(自身を除く): 323414860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 79, 82, 85, 158, 164, 170, 205, 223, 316, 340, 395, 410, 446, 697, 790, 820, 892, 1115, 1343, 1394, 1580, 2230, 2686, 2788, 3239, 3485, 3791, 4460, 5372, 6478, 6715, 6970, 7582, 9143, 12956, 13430, 13940, 15164, 16195, 17617, 18286, 18955, 26860, 32390, 35234, 36572, 37910, 45715, 55063, 64780, 70468, 75820, 88085, 91430, 110126, 155431, 176170, 182860, 220252, 275315, 299489, 310862, 352340, 550630, 598978, 621724, 722297, 777155, 1101260, 1197956, 1444594, 1497445, 1554310, 2889188, 2994890, 3108620, 3611485, 5989780, 7222970, 12279049, 14445940, 24558098, 49116196, 61395245, 122790490, 245580980]

約数ペア:

[(1, 245580980), (2, 122790490), (4, 61395245), (5, 49116196), (10, 24558098), (17, 14445940), (20, 12279049), (34, 7222970), (41, 5989780), (68, 3611485), (79, 3108620), (82, 2994890), (85, 2889188), (158, 1554310), (164, 1497445), (170, 1444594), (205, 1197956), (223, 1101260), (316, 777155), (340, 722297), (395, 621724), (410, 598978), (446, 550630), (697, 352340), (790, 310862), (820, 299489), (892, 275315), (1115, 220252), (1343, 182860), (1394, 176170), (1580, 155431), (2230, 110126), (2686, 91430), (2788, 88085), (3239, 75820), (3485, 70468), (3791, 64780), (4460, 55063), (5372, 45715), (6478, 37910), (6715, 36572), (6970, 35234), (7582, 32390), (9143, 26860), (12956, 18955), (13430, 18286), (13940, 17617), (15164, 16195)]