209802180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 192

約数和(自身を含む): 719953920

約数和(自身を除く): 510151740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 61, 70, 76, 84, 95, 105, 114, 122, 133, 140, 183, 190, 210, 228, 244, 266, 285, 305, 366, 380, 399, 420, 427, 431, 532, 570, 610, 665, 732, 798, 854, 862, 915, 1140, 1159, 1220, 1281, 1293, 1330, 1596, 1708, 1724, 1830, 1995, 2135, 2155, 2318, 2562, 2586, 2660, 3017, 3477, 3660, 3990, 4270, 4310, 4636, 5124, 5172, 5795, 6034, 6405, 6465, 6954, 7980, 8113, 8189, 8540, 8620, 9051, 11590, 12068, 12810, 12930, 13908, 15085, 16226, 16378, 17385, 18102, 23180, 24339, 24567, 25620, 25860, 26291, 30170, 32452, 32756, 34770, 36204, 40565, 40945, 45255, 48678, 49134, 52582, 57323, 60340, 69540, 78873, 81130, 81890, 90510, 97356, 98268, 105164, 114646, 121695, 122835, 131455, 157746, 162260, 163780, 171969, 181020, 184037, 229292, 243390, 245670, 262910, 286615, 315492, 343938, 368074, 394365, 486780, 491340, 499529, 525820, 552111, 573230, 687876, 736148, 788730, 859845, 920185, 999058, 1104222, 1146460, 1498587, 1577460, 1719690, 1840370, 1998116, 2208444, 2497645, 2760555, 2997174, 3439380, 3496703, 3680740, 4995290, 5521110, 5994348, 6993406, 7492935, 9990580, 10490109, 11042220, 13986812, 14985870, 17483515, 20980218, 29971740, 34967030, 41960436, 52450545, 69934060, 104901090, 209802180]

約数ペア:

[(1, 209802180), (2, 104901090), (3, 69934060), (4, 52450545), (5, 41960436), (6, 34967030), (7, 29971740), (10, 20980218), (12, 17483515), (14, 14985870), (15, 13986812), (19, 11042220), (20, 10490109), (21, 9990580), (28, 7492935), (30, 6993406), (35, 5994348), (38, 5521110), (42, 4995290), (57, 3680740), (60, 3496703), (61, 3439380), (70, 2997174), (76, 2760555), (84, 2497645), (95, 2208444), (105, 1998116), (114, 1840370), (122, 1719690), (133, 1577460), (140, 1498587), (183, 1146460), (190, 1104222), (210, 999058), (228, 920185), (244, 859845), (266, 788730), (285, 736148), (305, 687876), (366, 573230), (380, 552111), (399, 525820), (420, 499529), (427, 491340), (431, 486780), (532, 394365), (570, 368074), (610, 343938), (665, 315492), (732, 286615), (798, 262910), (854, 245670), (862, 243390), (915, 229292), (1140, 184037), (1159, 181020), (1220, 171969), (1281, 163780), (1293, 162260), (1330, 157746), (1596, 131455), (1708, 122835), (1724, 121695), (1830, 114646), (1995, 105164), (2135, 98268), (2155, 97356), (2318, 90510), (2562, 81890), (2586, 81130), (2660, 78873), (3017, 69540), (3477, 60340), (3660, 57323), (3990, 52582), (4270, 49134), (4310, 48678), (4636, 45255), (5124, 40945), (5172, 40565), (5795, 36204), (6034, 34770), (6405, 32756), (6465, 32452), (6954, 30170), (7980, 26291), (8113, 25860), (8189, 25620), (8540, 24567), (8620, 24339), (9051, 23180), (11590, 18102), (12068, 17385), (12810, 16378), (12930, 16226), (13908, 15085)]