221043690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20676

約数の個数: 96

約数和(自身を含む): 695485440

約数和(自身を除く): 474441750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 3570, 5355, 10710, 20639, 41278, 61917, 103195, 123834, 144473, 185751, 206390, 288946, 309585, 350863, 371502, 433419, 619170, 701726, 722365, 866838, 928755, 1052589, 1300257, 1444730, 1754315, 1857510, 2105178, 2167095, 2456041, 2600514, 3157767, 3508630, 4334190, 4912082, 5262945, 6315534, 6501285, 7368123, 10525890, 12280205, 13002570, 14736246, 15788835, 22104369, 24560410, 31577670, 36840615, 44208738, 73681230, 110521845, 221043690]

約数ペア:

[(1, 221043690), (2, 110521845), (3, 73681230), (5, 44208738), (6, 36840615), (7, 31577670), (9, 24560410), (10, 22104369), (14, 15788835), (15, 14736246), (17, 13002570), (18, 12280205), (21, 10525890), (30, 7368123), (34, 6501285), (35, 6315534), (42, 5262945), (45, 4912082), (51, 4334190), (63, 3508630), (70, 3157767), (85, 2600514), (90, 2456041), (102, 2167095), (105, 2105178), (119, 1857510), (126, 1754315), (153, 1444730), (170, 1300257), (210, 1052589), (238, 928755), (255, 866838), (306, 722365), (315, 701726), (357, 619170), (510, 433419), (595, 371502), (630, 350863), (714, 309585), (765, 288946), (1071, 206390), (1190, 185751), (1530, 144473), (1785, 123834), (2142, 103195), (3570, 61917), (5355, 41278), (10710, 20639)]