306578140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{1657}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 727835472

約数和(自身を除く): 421257332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 841, 1276, 1595, 1657, 1682, 3190, 3314, 3364, 4205, 6380, 6628, 8285, 8410, 9251, 16570, 16820, 18227, 18502, 33140, 36454, 37004, 46255, 48053, 72908, 91135, 92510, 96106, 182270, 185020, 192212, 240265, 364540, 480530, 528583, 961060, 1057166, 1393537, 2114332, 2642915, 2787074, 5285830, 5574148, 6967685, 10571660, 13935370, 15328907, 27870740, 30657814, 61315628, 76644535, 153289070, 306578140]

約数ペア:

[(1, 306578140), (2, 153289070), (4, 76644535), (5, 61315628), (10, 30657814), (11, 27870740), (20, 15328907), (22, 13935370), (29, 10571660), (44, 6967685), (55, 5574148), (58, 5285830), (110, 2787074), (116, 2642915), (145, 2114332), (220, 1393537), (290, 1057166), (319, 961060), (580, 528583), (638, 480530), (841, 364540), (1276, 240265), (1595, 192212), (1657, 185020), (1682, 182270), (3190, 96106), (3314, 92510), (3364, 91135), (4205, 72908), (6380, 48053), (6628, 46255), (8285, 37004), (8410, 36454), (9251, 33140), (16570, 18502), (16820, 18227)]