221267340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{25087}}^1$

素因数の和:25116

約数の個数: 108

約数和(自身を含む): 780788736

約数和(自身を除く): 559521396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 25087, 50174, 75261, 100348, 125435, 150522, 175609, 225783, 250870, 301044, 351218, 376305, 451566, 501740, 526827, 702436, 752610, 878045, 903132, 1053654, 1128915, 1229263, 1505220, 1580481, 1756090, 2107308, 2257830, 2458526, 2634135, 3160962, 3512180, 3687789, 4515660, 4917052, 5268270, 6146315, 6321924, 7375578, 7902405, 10536540, 11063367, 12292630, 14751156, 15804810, 18438945, 22126734, 24585260, 31609620, 36877890, 44253468, 55316835, 73755780, 110633670, 221267340]

約数ペア:

[(1, 221267340), (2, 110633670), (3, 73755780), (4, 55316835), (5, 44253468), (6, 36877890), (7, 31609620), (9, 24585260), (10, 22126734), (12, 18438945), (14, 15804810), (15, 14751156), (18, 12292630), (20, 11063367), (21, 10536540), (28, 7902405), (30, 7375578), (35, 6321924), (36, 6146315), (42, 5268270), (45, 4917052), (49, 4515660), (60, 3687789), (63, 3512180), (70, 3160962), (84, 2634135), (90, 2458526), (98, 2257830), (105, 2107308), (126, 1756090), (140, 1580481), (147, 1505220), (180, 1229263), (196, 1128915), (210, 1053654), (245, 903132), (252, 878045), (294, 752610), (315, 702436), (420, 526827), (441, 501740), (490, 451566), (588, 376305), (630, 351218), (735, 301044), (882, 250870), (980, 225783), (1260, 175609), (1470, 150522), (1764, 125435), (2205, 100348), (2940, 75261), (4410, 50174), (8820, 25087)]