201650020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70507}}^1$

素因数の和:70540

約数の個数: 48

約数和(自身を含む): 497504448

約数和(自身を除く): 295854428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 70507, 141014, 282028, 352535, 705070, 775577, 916591, 1410140, 1551154, 1833182, 3102308, 3666364, 3877885, 4582955, 7755770, 9165910, 10082501, 15511540, 18331820, 20165002, 40330004, 50412505, 100825010, 201650020]

約数ペア:

[(1, 201650020), (2, 100825010), (4, 50412505), (5, 40330004), (10, 20165002), (11, 18331820), (13, 15511540), (20, 10082501), (22, 9165910), (26, 7755770), (44, 4582955), (52, 3877885), (55, 3666364), (65, 3102308), (110, 1833182), (130, 1551154), (143, 1410140), (220, 916591), (260, 775577), (286, 705070), (572, 352535), (715, 282028), (1430, 141014), (2860, 70507)]