248147560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{683}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 579156480

約数和(自身を除く): 331008920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 293, 310, 586, 620, 683, 1172, 1240, 1366, 1465, 2344, 2732, 2930, 3415, 5464, 5860, 6830, 9083, 11720, 13660, 18166, 21173, 27320, 36332, 42346, 45415, 72664, 84692, 90830, 105865, 169384, 181660, 200119, 211730, 363320, 400238, 423460, 800476, 846920, 1000595, 1600952, 2001190, 4002380, 6203689, 8004760, 12407378, 24814756, 31018445, 49629512, 62036890, 124073780, 248147560]

約数ペア:

[(1, 248147560), (2, 124073780), (4, 62036890), (5, 49629512), (8, 31018445), (10, 24814756), (20, 12407378), (31, 8004760), (40, 6203689), (62, 4002380), (124, 2001190), (155, 1600952), (248, 1000595), (293, 846920), (310, 800476), (586, 423460), (620, 400238), (683, 363320), (1172, 211730), (1240, 200119), (1366, 181660), (1465, 169384), (2344, 105865), (2732, 90830), (2930, 84692), (3415, 72664), (5464, 45415), (5860, 42346), (6830, 36332), (9083, 27320), (11720, 21173), (13660, 18166)]