355156780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{3413}}^1$

素因数の和:3487

約数の個数: 72

約数和(自身を含む): 839106576

約数和(自身を除く): 483949796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1892, 2365, 2420, 3413, 4730, 5203, 6826, 9460, 10406, 13652, 17065, 20812, 26015, 34130, 37543, 52030, 68260, 75086, 104060, 146759, 150172, 187715, 293518, 375430, 412973, 587036, 733795, 750860, 825946, 1467590, 1614349, 1651892, 2064865, 2935180, 3228698, 4129730, 6457396, 8071745, 8259460, 16143490, 17757839, 32286980, 35515678, 71031356, 88789195, 177578390, 355156780]

約数ペア:

[(1, 355156780), (2, 177578390), (4, 88789195), (5, 71031356), (10, 35515678), (11, 32286980), (20, 17757839), (22, 16143490), (43, 8259460), (44, 8071745), (55, 6457396), (86, 4129730), (110, 3228698), (121, 2935180), (172, 2064865), (215, 1651892), (220, 1614349), (242, 1467590), (430, 825946), (473, 750860), (484, 733795), (605, 587036), (860, 412973), (946, 375430), (1210, 293518), (1892, 187715), (2365, 150172), (2420, 146759), (3413, 104060), (4730, 75086), (5203, 68260), (6826, 52030), (9460, 37543), (10406, 34130), (13652, 26015), (17065, 20812)]