287991340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2111

約数の個数: 96

約数和(自身を含む): 754145280

約数和(自身を除く): 466153940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 182, 260, 316, 364, 395, 455, 553, 790, 910, 1027, 1106, 1580, 1820, 2003, 2054, 2212, 2765, 4006, 4108, 5135, 5530, 7189, 8012, 10015, 10270, 11060, 14021, 14378, 20030, 20540, 26039, 28042, 28756, 35945, 40060, 52078, 56084, 70105, 71890, 104156, 130195, 140210, 143780, 158237, 182273, 260390, 280420, 316474, 364546, 520780, 632948, 729092, 791185, 911365, 1107659, 1582370, 1822730, 2057081, 2215318, 3164740, 3645460, 4114162, 4430636, 5538295, 8228324, 10285405, 11076590, 14399567, 20570810, 22153180, 28799134, 41141620, 57598268, 71997835, 143995670, 287991340]

約数ペア:

[(1, 287991340), (2, 143995670), (4, 71997835), (5, 57598268), (7, 41141620), (10, 28799134), (13, 22153180), (14, 20570810), (20, 14399567), (26, 11076590), (28, 10285405), (35, 8228324), (52, 5538295), (65, 4430636), (70, 4114162), (79, 3645460), (91, 3164740), (130, 2215318), (140, 2057081), (158, 1822730), (182, 1582370), (260, 1107659), (316, 911365), (364, 791185), (395, 729092), (455, 632948), (553, 520780), (790, 364546), (910, 316474), (1027, 280420), (1106, 260390), (1580, 182273), (1820, 158237), (2003, 143780), (2054, 140210), (2212, 130195), (2765, 104156), (4006, 71890), (4108, 70105), (5135, 56084), (5530, 52078), (7189, 40060), (8012, 35945), (10015, 28756), (10270, 28042), (11060, 26039), (14021, 20540), (14378, 20030)]