12770380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 31773168

約数和(自身を除く): 19002788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 157, 166, 196, 245, 314, 332, 415, 490, 581, 628, 785, 830, 980, 1099, 1162, 1570, 1660, 2198, 2324, 2905, 3140, 4067, 4396, 5495, 5810, 7693, 8134, 10990, 11620, 13031, 15386, 16268, 20335, 21980, 26062, 30772, 38465, 40670, 52124, 65155, 76930, 81340, 91217, 130310, 153860, 182434, 260620, 364868, 456085, 638519, 912170, 1277038, 1824340, 2554076, 3192595, 6385190, 12770380]

約数ペア:

[(1, 12770380), (2, 6385190), (4, 3192595), (5, 2554076), (7, 1824340), (10, 1277038), (14, 912170), (20, 638519), (28, 456085), (35, 364868), (49, 260620), (70, 182434), (83, 153860), (98, 130310), (140, 91217), (157, 81340), (166, 76930), (196, 65155), (245, 52124), (314, 40670), (332, 38465), (415, 30772), (490, 26062), (581, 21980), (628, 20335), (785, 16268), (830, 15386), (980, 13031), (1099, 11620), (1162, 10990), (1570, 8134), (1660, 7693), (2198, 5810), (2324, 5495), (2905, 4396), (3140, 4067)]