2247393040

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:940

約数の個数: 80

約数和(自身を含む): 5277720240

約数和(自身を除く): 3030327200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 281, 389, 514, 562, 778, 1028, 1124, 1285, 1405, 1556, 1945, 2056, 2248, 2570, 2810, 3112, 3890, 4112, 4496, 5140, 5620, 6224, 7780, 10280, 11240, 15560, 20560, 22480, 31120, 72217, 99973, 109309, 144434, 199946, 218618, 288868, 361085, 399892, 437236, 499865, 546545, 577736, 722170, 799784, 874472, 999730, 1093090, 1155472, 1444340, 1599568, 1748944, 1999460, 2186180, 2888680, 3998920, 4372360, 5777360, 7997840, 8744720, 28092413, 56184826, 112369652, 140462065, 224739304, 280924130, 449478608, 561848260, 1123696520, 2247393040]

約数ペア:

[(1, 2247393040), (2, 1123696520), (4, 561848260), (5, 449478608), (8, 280924130), (10, 224739304), (16, 140462065), (20, 112369652), (40, 56184826), (80, 28092413), (257, 8744720), (281, 7997840), (389, 5777360), (514, 4372360), (562, 3998920), (778, 2888680), (1028, 2186180), (1124, 1999460), (1285, 1748944), (1405, 1599568), (1556, 1444340), (1945, 1155472), (2056, 1093090), (2248, 999730), (2570, 874472), (2810, 799784), (3112, 722170), (3890, 577736), (4112, 546545), (4496, 499865), (5140, 437236), (5620, 399892), (6224, 361085), (7780, 288868), (10280, 218618), (11240, 199946), (15560, 144434), (20560, 109309), (22480, 99973), (31120, 72217)]