636294820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 1557964800

約数和(自身を除く): 921669980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 223, 229, 356, 445, 446, 458, 623, 890, 892, 916, 1115, 1145, 1246, 1561, 1603, 1780, 2230, 2290, 2492, 3115, 3122, 3206, 4460, 4580, 6230, 6244, 6412, 7805, 8015, 12460, 15610, 16030, 19847, 20381, 31220, 32060, 39694, 40762, 51067, 79388, 81524, 99235, 101905, 102134, 138929, 142667, 198470, 203810, 204268, 255335, 277858, 285334, 357469, 396940, 407620, 510670, 555716, 570668, 694645, 713335, 714938, 1021340, 1389290, 1426670, 1429876, 1787345, 2778580, 2853340, 3574690, 4544963, 7149380, 9089926, 18179852, 22724815, 31814741, 45449630, 63629482, 90899260, 127258964, 159073705, 318147410, 636294820]

約数ペア:

[(1, 636294820), (2, 318147410), (4, 159073705), (5, 127258964), (7, 90899260), (10, 63629482), (14, 45449630), (20, 31814741), (28, 22724815), (35, 18179852), (70, 9089926), (89, 7149380), (140, 4544963), (178, 3574690), (223, 2853340), (229, 2778580), (356, 1787345), (445, 1429876), (446, 1426670), (458, 1389290), (623, 1021340), (890, 714938), (892, 713335), (916, 694645), (1115, 570668), (1145, 555716), (1246, 510670), (1561, 407620), (1603, 396940), (1780, 357469), (2230, 285334), (2290, 277858), (2492, 255335), (3115, 204268), (3122, 203810), (3206, 198470), (4460, 142667), (4580, 138929), (6230, 102134), (6244, 101905), (6412, 99235), (7805, 81524), (8015, 79388), (12460, 51067), (15610, 40762), (16030, 39694), (19847, 32060), (20381, 31220)]