348374480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 828228240

約数和(自身を除く): 479853760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 113, 178, 226, 356, 433, 445, 452, 565, 712, 866, 890, 904, 1130, 1424, 1732, 1780, 1808, 2165, 2260, 3464, 3560, 4330, 4520, 6928, 7120, 8660, 9040, 10057, 17320, 20114, 34640, 38537, 40228, 48929, 50285, 77074, 80456, 97858, 100570, 154148, 160912, 192685, 195716, 201140, 244645, 308296, 385370, 391432, 402280, 489290, 616592, 770740, 782864, 804560, 978580, 1541480, 1957160, 3082960, 3914320, 4354681, 8709362, 17418724, 21773405, 34837448, 43546810, 69674896, 87093620, 174187240, 348374480]

約数ペア:

[(1, 348374480), (2, 174187240), (4, 87093620), (5, 69674896), (8, 43546810), (10, 34837448), (16, 21773405), (20, 17418724), (40, 8709362), (80, 4354681), (89, 3914320), (113, 3082960), (178, 1957160), (226, 1541480), (356, 978580), (433, 804560), (445, 782864), (452, 770740), (565, 616592), (712, 489290), (866, 402280), (890, 391432), (904, 385370), (1130, 308296), (1424, 244645), (1732, 201140), (1780, 195716), (1808, 192685), (2165, 160912), (2260, 154148), (3464, 100570), (3560, 97858), (4330, 80456), (4520, 77074), (6928, 50285), (7120, 48929), (8660, 40228), (9040, 38537), (10057, 34640), (17320, 20114)]