142219220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49727}}^1$

素因数の和:49760

約数の個数: 48

約数和(自身を含む): 350880768

約数和(自身を除く): 208661548

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, 49727, 99454, 198908, 248635, 497270, 546997, 646451, 994540, 1093994, 1292902, 2187988, 2585804, 2734985, 3232255, 5469970, 6464510, 7110961, 10939940, 12929020, 14221922, 28443844, 35554805, 71109610, 142219220]

約数ペア:

[(1, 142219220), (2, 71109610), (4, 35554805), (5, 28443844), (10, 14221922), (11, 12929020), (13, 10939940), (20, 7110961), (22, 6464510), (26, 5469970), (44, 3232255), (52, 2734985), (55, 2585804), (65, 2187988), (110, 1292902), (130, 1093994), (143, 994540), (220, 646451), (260, 546997), (286, 497270), (572, 248635), (715, 198908), (1430, 99454), (2860, 49727)]