213035340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{72461}}^1$

素因数の和:72487

約数の個数: 72

約数和(自身を含む): 693896112

約数和(自身を除く): 480860772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 72461, 144922, 217383, 289844, 362305, 434766, 507227, 724610, 869532, 1014454, 1086915, 1449220, 1521681, 2028908, 2173830, 2536135, 3043362, 3550589, 4347660, 5072270, 6086724, 7101178, 7608405, 10144540, 10651767, 14202356, 15216810, 17752945, 21303534, 30433620, 35505890, 42607068, 53258835, 71011780, 106517670, 213035340]

約数ペア:

[(1, 213035340), (2, 106517670), (3, 71011780), (4, 53258835), (5, 42607068), (6, 35505890), (7, 30433620), (10, 21303534), (12, 17752945), (14, 15216810), (15, 14202356), (20, 10651767), (21, 10144540), (28, 7608405), (30, 7101178), (35, 6086724), (42, 5072270), (49, 4347660), (60, 3550589), (70, 3043362), (84, 2536135), (98, 2173830), (105, 2028908), (140, 1521681), (147, 1449220), (196, 1086915), (210, 1014454), (245, 869532), (294, 724610), (420, 507227), (490, 434766), (588, 362305), (735, 289844), (980, 217383), (1470, 144922), (2940, 72461)]