697132340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 1570652160

約数和(自身を除く): 873519820

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 79, 86, 124, 155, 158, 172, 215, 310, 316, 331, 395, 430, 620, 662, 790, 860, 1324, 1333, 1580, 1655, 2449, 2666, 3310, 3397, 4898, 5332, 6620, 6665, 6794, 9796, 10261, 12245, 13330, 13588, 14233, 16985, 20522, 24490, 26149, 26660, 28466, 33970, 41044, 48980, 51305, 52298, 56932, 67940, 71165, 102610, 104596, 105307, 130745, 142330, 205220, 210614, 261490, 284660, 421228, 441223, 522980, 526535, 810619, 882446, 1053070, 1124407, 1621238, 1764892, 2106140, 2206115, 2248814, 3242476, 4053095, 4412230, 4497628, 5622035, 8106190, 8824460, 11244070, 16212380, 22488140, 34856617, 69713234, 139426468, 174283085, 348566170, 697132340]

約数ペア:

[(1, 697132340), (2, 348566170), (4, 174283085), (5, 139426468), (10, 69713234), (20, 34856617), (31, 22488140), (43, 16212380), (62, 11244070), (79, 8824460), (86, 8106190), (124, 5622035), (155, 4497628), (158, 4412230), (172, 4053095), (215, 3242476), (310, 2248814), (316, 2206115), (331, 2106140), (395, 1764892), (430, 1621238), (620, 1124407), (662, 1053070), (790, 882446), (860, 810619), (1324, 526535), (1333, 522980), (1580, 441223), (1655, 421228), (2449, 284660), (2666, 261490), (3310, 210614), (3397, 205220), (4898, 142330), (5332, 130745), (6620, 105307), (6665, 104596), (6794, 102610), (9796, 71165), (10261, 67940), (12245, 56932), (13330, 52298), (13588, 51305), (14233, 48980), (16985, 41044), (20522, 33970), (24490, 28466), (26149, 26660)]