200261620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 459315360

約数和(自身を除く): 259053740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 179, 260, 331, 338, 358, 662, 676, 716, 845, 895, 1324, 1655, 1690, 1790, 2327, 3310, 3380, 3580, 4303, 4654, 6620, 8606, 9308, 11635, 17212, 21515, 23270, 30251, 43030, 46540, 55939, 59249, 60502, 86060, 111878, 118498, 121004, 151255, 223756, 236996, 279695, 296245, 302510, 559390, 592490, 605020, 770237, 1118780, 1184980, 1540474, 3080948, 3851185, 7702370, 10013081, 15404740, 20026162, 40052324, 50065405, 100130810, 200261620]

約数ペア:

[(1, 200261620), (2, 100130810), (4, 50065405), (5, 40052324), (10, 20026162), (13, 15404740), (20, 10013081), (26, 7702370), (52, 3851185), (65, 3080948), (130, 1540474), (169, 1184980), (179, 1118780), (260, 770237), (331, 605020), (338, 592490), (358, 559390), (662, 302510), (676, 296245), (716, 279695), (845, 236996), (895, 223756), (1324, 151255), (1655, 121004), (1690, 118498), (1790, 111878), (2327, 86060), (3310, 60502), (3380, 59249), (3580, 55939), (4303, 46540), (4654, 43030), (6620, 30251), (8606, 23270), (9308, 21515), (11635, 17212)]