176128420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 405082944

約数和(自身を除く): 228954524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 169, 214, 260, 338, 428, 487, 535, 676, 845, 974, 1070, 1391, 1690, 1948, 2140, 2435, 2782, 3380, 4870, 5564, 6331, 6955, 9740, 12662, 13910, 18083, 25324, 27820, 31655, 36166, 52109, 63310, 72332, 82303, 90415, 104218, 126620, 164606, 180830, 208436, 260545, 329212, 361660, 411515, 521090, 677417, 823030, 1042180, 1354834, 1646060, 2709668, 3387085, 6774170, 8806421, 13548340, 17612842, 35225684, 44032105, 88064210, 176128420]

約数ペア:

[(1, 176128420), (2, 88064210), (4, 44032105), (5, 35225684), (10, 17612842), (13, 13548340), (20, 8806421), (26, 6774170), (52, 3387085), (65, 2709668), (107, 1646060), (130, 1354834), (169, 1042180), (214, 823030), (260, 677417), (338, 521090), (428, 411515), (487, 361660), (535, 329212), (676, 260545), (845, 208436), (974, 180830), (1070, 164606), (1391, 126620), (1690, 104218), (1948, 90415), (2140, 82303), (2435, 72332), (2782, 63310), (3380, 52109), (4870, 36166), (5564, 31655), (6331, 27820), (6955, 25324), (9740, 18083), (12662, 13910)]