290412780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2089}}^1$

素因数の和:2439

約数の個数: 96

約数和(自身を含む): 932574720

約数和(自身を除く): 642161940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 331, 420, 662, 993, 1324, 1655, 1986, 2089, 2317, 3310, 3972, 4178, 4634, 4965, 6267, 6620, 6951, 8356, 9268, 9930, 10445, 11585, 12534, 13902, 14623, 19860, 20890, 23170, 25068, 27804, 29246, 31335, 34755, 41780, 43869, 46340, 58492, 62670, 69510, 73115, 87738, 125340, 139020, 146230, 175476, 219345, 292460, 438690, 691459, 877380, 1382918, 2074377, 2765836, 3457295, 4148754, 4840213, 6914590, 8297508, 9680426, 10371885, 13829180, 14520639, 19360852, 20743770, 24201065, 29041278, 41487540, 48402130, 58082556, 72603195, 96804260, 145206390, 290412780]

約数ペア:

[(1, 290412780), (2, 145206390), (3, 96804260), (4, 72603195), (5, 58082556), (6, 48402130), (7, 41487540), (10, 29041278), (12, 24201065), (14, 20743770), (15, 19360852), (20, 14520639), (21, 13829180), (28, 10371885), (30, 9680426), (35, 8297508), (42, 6914590), (60, 4840213), (70, 4148754), (84, 3457295), (105, 2765836), (140, 2074377), (210, 1382918), (331, 877380), (420, 691459), (662, 438690), (993, 292460), (1324, 219345), (1655, 175476), (1986, 146230), (2089, 139020), (2317, 125340), (3310, 87738), (3972, 73115), (4178, 69510), (4634, 62670), (4965, 58492), (6267, 46340), (6620, 43869), (6951, 41780), (8356, 34755), (9268, 31335), (9930, 29246), (10445, 27804), (11585, 25068), (12534, 23170), (13902, 20890), (14623, 19860)]