201917820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19913}}^1$

素因数の和:19951

約数の個数: 72

約数和(自身を含む): 612236016

約数和(自身を除く): 410318196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 19913, 39826, 59739, 79652, 99565, 119478, 199130, 238956, 258869, 298695, 398260, 517738, 597390, 776607, 1035476, 1194780, 1294345, 1553214, 2588690, 3106428, 3365297, 3883035, 5177380, 6730594, 7766070, 10095891, 13461188, 15532140, 16826485, 20191782, 33652970, 40383564, 50479455, 67305940, 100958910, 201917820]

約数ペア:

[(1, 201917820), (2, 100958910), (3, 67305940), (4, 50479455), (5, 40383564), (6, 33652970), (10, 20191782), (12, 16826485), (13, 15532140), (15, 13461188), (20, 10095891), (26, 7766070), (30, 6730594), (39, 5177380), (52, 3883035), (60, 3365297), (65, 3106428), (78, 2588690), (130, 1553214), (156, 1294345), (169, 1194780), (195, 1035476), (260, 776607), (338, 597390), (390, 517738), (507, 398260), (676, 298695), (780, 258869), (845, 238956), (1014, 199130), (1690, 119478), (2028, 99565), (2535, 79652), (3380, 59739), (5070, 39826), (10140, 19913)]