209259540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8741}}^1$

素因数の和:8782

約数の個数: 144

約数和(自身を含む): 763701120

約数和(自身を除く): 554441580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 8741, 11970, 17482, 23940, 26223, 34964, 43705, 52446, 61187, 78669, 87410, 104892, 122374, 131115, 157338, 166079, 174820, 183561, 244748, 262230, 305935, 314676, 332158, 367122, 393345, 498237, 524460, 550683, 611870, 664316, 734244, 786690, 830395, 917805, 996474, 1101366, 1162553, 1223740, 1494711, 1573380, 1660790, 1835610, 1992948, 2202732, 2325106, 2491185, 2753415, 2989422, 3321580, 3487659, 3671220, 4650212, 4982370, 5506830, 5812765, 5978844, 6975318, 7473555, 9964740, 10462977, 11013660, 11625530, 13950636, 14947110, 17438295, 20925954, 23251060, 29894220, 34876590, 41851908, 52314885, 69753180, 104629770, 209259540]

約数ペア:

[(1, 209259540), (2, 104629770), (3, 69753180), (4, 52314885), (5, 41851908), (6, 34876590), (7, 29894220), (9, 23251060), (10, 20925954), (12, 17438295), (14, 14947110), (15, 13950636), (18, 11625530), (19, 11013660), (20, 10462977), (21, 9964740), (28, 7473555), (30, 6975318), (35, 5978844), (36, 5812765), (38, 5506830), (42, 4982370), (45, 4650212), (57, 3671220), (60, 3487659), (63, 3321580), (70, 2989422), (76, 2753415), (84, 2491185), (90, 2325106), (95, 2202732), (105, 1992948), (114, 1835610), (126, 1660790), (133, 1573380), (140, 1494711), (171, 1223740), (180, 1162553), (190, 1101366), (210, 996474), (228, 917805), (252, 830395), (266, 786690), (285, 734244), (315, 664316), (342, 611870), (380, 550683), (399, 524460), (420, 498237), (532, 393345), (570, 367122), (630, 332158), (665, 314676), (684, 305935), (798, 262230), (855, 244748), (1140, 183561), (1197, 174820), (1260, 166079), (1330, 157338), (1596, 131115), (1710, 122374), (1995, 104892), (2394, 87410), (2660, 78669), (3420, 61187), (3990, 52446), (4788, 43705), (5985, 34964), (7980, 26223), (8741, 23940), (11970, 17482)]