280541128

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 625449600

約数和(自身を除く): 344908472

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 227, 232, 406, 454, 761, 812, 908, 1522, 1589, 1624, 1816, 3044, 3178, 5327, 6088, 6356, 6583, 10654, 12712, 13166, 21308, 22069, 26332, 42616, 44138, 46081, 52664, 88276, 92162, 154483, 172747, 176552, 184324, 308966, 345494, 368648, 617932, 690988, 1209229, 1235864, 1381976, 2418458, 4836916, 5009663, 9673832, 10019326, 20038652, 35067641, 40077304, 70135282, 140270564, 280541128]

約数ペア:

[(1, 280541128), (2, 140270564), (4, 70135282), (7, 40077304), (8, 35067641), (14, 20038652), (28, 10019326), (29, 9673832), (56, 5009663), (58, 4836916), (116, 2418458), (203, 1381976), (227, 1235864), (232, 1209229), (406, 690988), (454, 617932), (761, 368648), (812, 345494), (908, 308966), (1522, 184324), (1589, 176552), (1624, 172747), (1816, 154483), (3044, 92162), (3178, 88276), (5327, 52664), (6088, 46081), (6356, 44138), (6583, 42616), (10654, 26332), (12712, 22069), (13166, 21308)]