126219340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 290530800

約数和(自身を除く): 164311460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 169, 214, 260, 338, 349, 428, 535, 676, 698, 845, 1070, 1391, 1396, 1690, 1745, 2140, 2782, 3380, 3490, 4537, 5564, 6955, 6980, 9074, 13910, 18083, 18148, 22685, 27820, 36166, 37343, 45370, 58981, 72332, 74686, 90415, 90740, 117962, 149372, 180830, 186715, 235924, 294905, 361660, 373430, 485459, 589810, 746860, 970918, 1179620, 1941836, 2427295, 4854590, 6310967, 9709180, 12621934, 25243868, 31554835, 63109670, 126219340]

約数ペア:

[(1, 126219340), (2, 63109670), (4, 31554835), (5, 25243868), (10, 12621934), (13, 9709180), (20, 6310967), (26, 4854590), (52, 2427295), (65, 1941836), (107, 1179620), (130, 970918), (169, 746860), (214, 589810), (260, 485459), (338, 373430), (349, 361660), (428, 294905), (535, 235924), (676, 186715), (698, 180830), (845, 149372), (1070, 117962), (1391, 90740), (1396, 90415), (1690, 74686), (1745, 72332), (2140, 58981), (2782, 45370), (3380, 37343), (3490, 36166), (4537, 27820), (5564, 22685), (6955, 18148), (6980, 18083), (9074, 13910)]