220551856

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 508856320

約数和(自身を除く): 288304464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 139, 217, 248, 278, 434, 457, 496, 556, 868, 914, 973, 1112, 1736, 1828, 1946, 2224, 3199, 3472, 3656, 3892, 4309, 6398, 7312, 7784, 8618, 12796, 14167, 15568, 17236, 25592, 28334, 30163, 34472, 51184, 56668, 60326, 63523, 68944, 99169, 113336, 120652, 127046, 198338, 226672, 241304, 254092, 396676, 444661, 482608, 508184, 793352, 889322, 1016368, 1586704, 1778644, 1969213, 3557288, 3938426, 7114576, 7876852, 13784491, 15753704, 27568982, 31507408, 55137964, 110275928, 220551856]

約数ペア:

[(1, 220551856), (2, 110275928), (4, 55137964), (7, 31507408), (8, 27568982), (14, 15753704), (16, 13784491), (28, 7876852), (31, 7114576), (56, 3938426), (62, 3557288), (112, 1969213), (124, 1778644), (139, 1586704), (217, 1016368), (248, 889322), (278, 793352), (434, 508184), (457, 482608), (496, 444661), (556, 396676), (868, 254092), (914, 241304), (973, 226672), (1112, 198338), (1736, 127046), (1828, 120652), (1946, 113336), (2224, 99169), (3199, 68944), (3472, 63523), (3656, 60326), (3892, 56668), (4309, 51184), (6398, 34472), (7312, 30163), (7784, 28334), (8618, 25592), (12796, 17236), (14167, 15568)]