291100540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 659957760

約数和(自身を除く): 368857220

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 61, 62, 86, 122, 124, 155, 172, 179, 215, 244, 305, 310, 358, 430, 610, 620, 716, 860, 895, 1220, 1333, 1790, 1891, 2623, 2666, 3580, 3782, 5246, 5332, 5549, 6665, 7564, 7697, 9455, 10492, 10919, 11098, 13115, 13330, 15394, 18910, 21838, 22196, 26230, 26660, 27745, 30788, 37820, 38485, 43676, 52460, 54595, 55490, 76970, 81313, 109190, 110980, 153940, 162626, 218380, 238607, 325252, 338489, 406565, 469517, 477214, 676978, 813130, 939034, 954428, 1193035, 1353956, 1626260, 1692445, 1878068, 2347585, 2386070, 3384890, 4695170, 4772140, 6769780, 9390340, 14555027, 29110054, 58220108, 72775135, 145550270, 291100540]

約数ペア:

[(1, 291100540), (2, 145550270), (4, 72775135), (5, 58220108), (10, 29110054), (20, 14555027), (31, 9390340), (43, 6769780), (61, 4772140), (62, 4695170), (86, 3384890), (122, 2386070), (124, 2347585), (155, 1878068), (172, 1692445), (179, 1626260), (215, 1353956), (244, 1193035), (305, 954428), (310, 939034), (358, 813130), (430, 676978), (610, 477214), (620, 469517), (716, 406565), (860, 338489), (895, 325252), (1220, 238607), (1333, 218380), (1790, 162626), (1891, 153940), (2623, 110980), (2666, 109190), (3580, 81313), (3782, 76970), (5246, 55490), (5332, 54595), (5549, 52460), (6665, 43676), (7564, 38485), (7697, 37820), (9455, 30788), (10492, 27745), (10919, 26660), (11098, 26230), (13115, 22196), (13330, 21838), (15394, 18910)]