329451880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 768268800

約数和(自身を除く): 438816920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 389, 620, 683, 778, 1240, 1366, 1556, 1945, 2732, 3112, 3415, 3890, 5464, 6830, 7780, 12059, 13660, 15560, 21173, 24118, 27320, 42346, 48236, 60295, 84692, 96472, 105865, 120590, 169384, 211730, 241180, 265687, 423460, 482360, 531374, 846920, 1062748, 1328435, 2125496, 2656870, 5313740, 8236297, 10627480, 16472594, 32945188, 41181485, 65890376, 82362970, 164725940, 329451880]

約数ペア:

[(1, 329451880), (2, 164725940), (4, 82362970), (5, 65890376), (8, 41181485), (10, 32945188), (20, 16472594), (31, 10627480), (40, 8236297), (62, 5313740), (124, 2656870), (155, 2125496), (248, 1328435), (310, 1062748), (389, 846920), (620, 531374), (683, 482360), (778, 423460), (1240, 265687), (1366, 241180), (1556, 211730), (1945, 169384), (2732, 120590), (3112, 105865), (3415, 96472), (3890, 84692), (5464, 60295), (6830, 48236), (7780, 42346), (12059, 27320), (13660, 24118), (15560, 21173)]