210404220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269749}}^1$

素因数の和:269774

約数の個数: 48

約数和(自身を含む): 634452000

約数和(自身を除く): 424047780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 269749, 539498, 809247, 1078996, 1348745, 1618494, 2697490, 3236988, 3506737, 4046235, 5394980, 7013474, 8092470, 10520211, 14026948, 16184940, 17533685, 21040422, 35067370, 42080844, 52601055, 70134740, 105202110, 210404220]

約数ペア:

[(1, 210404220), (2, 105202110), (3, 70134740), (4, 52601055), (5, 42080844), (6, 35067370), (10, 21040422), (12, 17533685), (13, 16184940), (15, 14026948), (20, 10520211), (26, 8092470), (30, 7013474), (39, 5394980), (52, 4046235), (60, 3506737), (65, 3236988), (78, 2697490), (130, 1618494), (156, 1348745), (195, 1078996), (260, 809247), (390, 539498), (780, 269749)]