388354460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2223

約数の個数: 96

約数和(自身を含む): 953068032

約数和(自身を除く): 564713572

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 205, 221, 260, 340, 410, 442, 533, 697, 820, 884, 1066, 1105, 1394, 2132, 2143, 2210, 2665, 2788, 3485, 4286, 4420, 5330, 6970, 8572, 9061, 10660, 10715, 13940, 18122, 21430, 27859, 36244, 36431, 42860, 45305, 55718, 72862, 87863, 90610, 111436, 139295, 145724, 175726, 181220, 182155, 278590, 351452, 364310, 439315, 473603, 557180, 728620, 878630, 947206, 1142219, 1493671, 1757260, 1894412, 2284438, 2368015, 2987342, 4568876, 4736030, 5711095, 5974684, 7468355, 9472060, 11422190, 14936710, 19417723, 22844380, 29873420, 38835446, 77670892, 97088615, 194177230, 388354460]

約数ペア:

[(1, 388354460), (2, 194177230), (4, 97088615), (5, 77670892), (10, 38835446), (13, 29873420), (17, 22844380), (20, 19417723), (26, 14936710), (34, 11422190), (41, 9472060), (52, 7468355), (65, 5974684), (68, 5711095), (82, 4736030), (85, 4568876), (130, 2987342), (164, 2368015), (170, 2284438), (205, 1894412), (221, 1757260), (260, 1493671), (340, 1142219), (410, 947206), (442, 878630), (533, 728620), (697, 557180), (820, 473603), (884, 439315), (1066, 364310), (1105, 351452), (1394, 278590), (2132, 182155), (2143, 181220), (2210, 175726), (2665, 145724), (2788, 139295), (3485, 111436), (4286, 90610), (4420, 87863), (5330, 72862), (6970, 55718), (8572, 45305), (9061, 42860), (10660, 36431), (10715, 36244), (13940, 27859), (18122, 21430)]