207942020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72707}}^1$

素因数の和:72740

約数の個数: 48

約数和(自身を含む): 513027648

約数和(自身を除く): 305085628

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, 72707, 145414, 290828, 363535, 727070, 799777, 945191, 1454140, 1599554, 1890382, 3199108, 3780764, 3998885, 4725955, 7997770, 9451910, 10397101, 15995540, 18903820, 20794202, 41588404, 51985505, 103971010, 207942020]

約数ペア:

[(1, 207942020), (2, 103971010), (4, 51985505), (5, 41588404), (10, 20794202), (11, 18903820), (13, 15995540), (20, 10397101), (22, 9451910), (26, 7997770), (44, 4725955), (52, 3998885), (55, 3780764), (65, 3199108), (110, 1890382), (130, 1599554), (143, 1454140), (220, 945191), (260, 799777), (286, 727070), (572, 363535), (715, 290828), (1430, 145414), (2860, 72707)]