208713080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9960

約数の個数: 64

約数和(自身を含む): 513319680

約数和(自身を除く): 304606600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 9901, 10540, 19802, 21080, 39604, 49505, 79208, 99010, 168317, 198020, 306931, 336634, 396040, 613862, 673268, 841585, 1227724, 1346536, 1534655, 1683170, 2455448, 3069310, 3366340, 5217827, 6138620, 6732680, 10435654, 12277240, 20871308, 26089135, 41742616, 52178270, 104356540, 208713080]

約数ペア:

[(1, 208713080), (2, 104356540), (4, 52178270), (5, 41742616), (8, 26089135), (10, 20871308), (17, 12277240), (20, 10435654), (31, 6732680), (34, 6138620), (40, 5217827), (62, 3366340), (68, 3069310), (85, 2455448), (124, 1683170), (136, 1534655), (155, 1346536), (170, 1227724), (248, 841585), (310, 673268), (340, 613862), (527, 396040), (620, 336634), (680, 306931), (1054, 198020), (1240, 168317), (2108, 99010), (2635, 79208), (4216, 49505), (5270, 39604), (9901, 21080), (10540, 19802)]