31194020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{839}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 77474880

約数和(自身を除く): 46280860

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 839, 845, 1430, 1678, 1690, 1859, 2860, 3356, 3380, 3718, 4195, 7436, 8390, 9229, 9295, 10907, 16780, 18458, 18590, 21814, 36916, 37180, 43628, 46145, 54535, 92290, 109070, 119977, 141791, 184580, 218140, 239954, 283582, 479908, 567164, 599885, 708955, 1199770, 1417910, 1559701, 2399540, 2835820, 3119402, 6238804, 7798505, 15597010, 31194020]

約数ペア:

[(1, 31194020), (2, 15597010), (4, 7798505), (5, 6238804), (10, 3119402), (11, 2835820), (13, 2399540), (20, 1559701), (22, 1417910), (26, 1199770), (44, 708955), (52, 599885), (55, 567164), (65, 479908), (110, 283582), (130, 239954), (143, 218140), (169, 184580), (220, 141791), (260, 119977), (286, 109070), (338, 92290), (572, 54535), (676, 46145), (715, 43628), (839, 37180), (845, 36916), (1430, 21814), (1678, 18590), (1690, 18458), (1859, 16780), (2860, 10907), (3356, 9295), (3380, 9229), (3718, 8390), (4195, 7436)]