20216834050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{55381}}^1$

素因数の和:55556

約数の個数: 72

約数和(自身を含む): 44036997300

約数和(自身を除く): 23820163250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 149, 175, 245, 298, 350, 490, 745, 1043, 1225, 1490, 2086, 2450, 3725, 5215, 7301, 7450, 10430, 14602, 26075, 36505, 52150, 55381, 73010, 110762, 182525, 276905, 365050, 387667, 553810, 775334, 1384525, 1938335, 2713669, 2769050, 3876670, 5427338, 8251769, 9691675, 13568345, 16503538, 19383350, 27136690, 41258845, 57762383, 67841725, 82517690, 115524766, 135683450, 206294225, 288811915, 404336681, 412588450, 577623830, 808673362, 1444059575, 2021683405, 2888119150, 4043366810, 10108417025, 20216834050]

約数ペア:

[(1, 20216834050), (2, 10108417025), (5, 4043366810), (7, 2888119150), (10, 2021683405), (14, 1444059575), (25, 808673362), (35, 577623830), (49, 412588450), (50, 404336681), (70, 288811915), (98, 206294225), (149, 135683450), (175, 115524766), (245, 82517690), (298, 67841725), (350, 57762383), (490, 41258845), (745, 27136690), (1043, 19383350), (1225, 16503538), (1490, 13568345), (2086, 9691675), (2450, 8251769), (3725, 5427338), (5215, 3876670), (7301, 2769050), (7450, 2713669), (10430, 1938335), (14602, 1384525), (26075, 775334), (36505, 553810), (52150, 387667), (55381, 365050), (73010, 276905), (110762, 182525)]