42013580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 105125328

約数和(自身を除く): 63111748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 997, 1204, 1505, 1994, 2107, 3010, 3988, 4214, 4985, 6020, 6979, 8428, 9970, 10535, 13958, 19940, 21070, 27916, 34895, 42140, 42871, 48853, 69790, 85742, 97706, 139580, 171484, 195412, 214355, 244265, 300097, 428710, 488530, 600194, 857420, 977060, 1200388, 1500485, 2100679, 3000970, 4201358, 6001940, 8402716, 10503395, 21006790, 42013580]

約数ペア:

[(1, 42013580), (2, 21006790), (4, 10503395), (5, 8402716), (7, 6001940), (10, 4201358), (14, 3000970), (20, 2100679), (28, 1500485), (35, 1200388), (43, 977060), (49, 857420), (70, 600194), (86, 488530), (98, 428710), (140, 300097), (172, 244265), (196, 214355), (215, 195412), (245, 171484), (301, 139580), (430, 97706), (490, 85742), (602, 69790), (860, 48853), (980, 42871), (997, 42140), (1204, 34895), (1505, 27916), (1994, 21070), (2107, 19940), (3010, 13958), (3988, 10535), (4214, 9970), (4985, 8428), (6020, 6979)]