206485020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 216

約数和(自身を含む): 747674928

約数和(自身を除く): 541189908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 82, 84, 90, 98, 105, 123, 126, 140, 147, 164, 180, 196, 205, 210, 245, 246, 252, 287, 294, 315, 369, 410, 420, 441, 490, 492, 571, 574, 588, 615, 630, 735, 738, 820, 861, 882, 980, 1142, 1148, 1230, 1260, 1435, 1470, 1476, 1713, 1722, 1764, 1845, 2009, 2205, 2284, 2460, 2583, 2855, 2870, 2940, 3426, 3444, 3690, 3997, 4018, 4305, 4410, 5139, 5166, 5710, 5740, 6027, 6852, 7380, 7994, 8036, 8565, 8610, 8820, 10045, 10278, 10332, 11420, 11991, 12054, 12915, 15988, 17130, 17220, 18081, 19985, 20090, 20556, 23411, 23982, 24108, 25695, 25830, 27979, 30135, 34260, 35973, 36162, 39970, 40180, 46822, 47964, 51390, 51660, 55958, 59955, 60270, 70233, 71946, 72324, 79940, 83937, 90405, 93644, 102780, 111916, 117055, 119910, 120540, 139895, 140466, 143892, 163877, 167874, 179865, 180810, 210699, 234110, 239820, 251811, 279790, 280932, 327754, 335748, 351165, 359730, 361620, 419685, 421398, 468220, 491631, 503622, 559580, 655508, 702330, 719460, 819385, 839370, 842796, 983262, 1007244, 1053495, 1147139, 1259055, 1404660, 1474893, 1638770, 1678740, 1966524, 2106990, 2294278, 2458155, 2518110, 2949786, 3277540, 3441417, 4213980, 4588556, 4916310, 5036220, 5735695, 5899572, 6882834, 7374465, 9832620, 10324251, 11471390, 13765668, 14748930, 17207085, 20648502, 22942780, 29497860, 34414170, 41297004, 51621255, 68828340, 103242510, 206485020]

約数ペア:

[(1, 206485020), (2, 103242510), (3, 68828340), (4, 51621255), (5, 41297004), (6, 34414170), (7, 29497860), (9, 22942780), (10, 20648502), (12, 17207085), (14, 14748930), (15, 13765668), (18, 11471390), (20, 10324251), (21, 9832620), (28, 7374465), (30, 6882834), (35, 5899572), (36, 5735695), (41, 5036220), (42, 4916310), (45, 4588556), (49, 4213980), (60, 3441417), (63, 3277540), (70, 2949786), (82, 2518110), (84, 2458155), (90, 2294278), (98, 2106990), (105, 1966524), (123, 1678740), (126, 1638770), (140, 1474893), (147, 1404660), (164, 1259055), (180, 1147139), (196, 1053495), (205, 1007244), (210, 983262), (245, 842796), (246, 839370), (252, 819385), (287, 719460), (294, 702330), (315, 655508), (369, 559580), (410, 503622), (420, 491631), (441, 468220), (490, 421398), (492, 419685), (571, 361620), (574, 359730), (588, 351165), (615, 335748), (630, 327754), (735, 280932), (738, 279790), (820, 251811), (861, 239820), (882, 234110), (980, 210699), (1142, 180810), (1148, 179865), (1230, 167874), (1260, 163877), (1435, 143892), (1470, 140466), (1476, 139895), (1713, 120540), (1722, 119910), (1764, 117055), (1845, 111916), (2009, 102780), (2205, 93644), (2284, 90405), (2460, 83937), (2583, 79940), (2855, 72324), (2870, 71946), (2940, 70233), (3426, 60270), (3444, 59955), (3690, 55958), (3997, 51660), (4018, 51390), (4305, 47964), (4410, 46822), (5139, 40180), (5166, 39970), (5710, 36162), (5740, 35973), (6027, 34260), (6852, 30135), (7380, 27979), (7994, 25830), (8036, 25695), (8565, 24108), (8610, 23982), (8820, 23411), (10045, 20556), (10278, 20090), (10332, 19985), (11420, 18081), (11991, 17220), (12054, 17130), (12915, 15988)]