200115980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 466287360

約数和(自身を除く): 266171380

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 43, 74, 76, 86, 95, 148, 172, 185, 190, 215, 331, 370, 380, 430, 662, 703, 740, 817, 860, 1324, 1406, 1591, 1634, 1655, 2812, 3182, 3268, 3310, 3515, 4085, 6289, 6364, 6620, 7030, 7955, 8170, 12247, 12578, 14060, 14233, 15910, 16340, 24494, 25156, 28466, 30229, 31445, 31820, 48988, 56932, 60458, 61235, 62890, 71165, 120916, 122470, 125780, 142330, 151145, 232693, 244940, 270427, 284660, 302290, 465386, 526621, 540854, 604580, 930772, 1053242, 1081708, 1163465, 1352135, 2106484, 2326930, 2633105, 2704270, 4653860, 5266210, 5408540, 10005799, 10532420, 20011598, 40023196, 50028995, 100057990, 200115980]

約数ペア:

[(1, 200115980), (2, 100057990), (4, 50028995), (5, 40023196), (10, 20011598), (19, 10532420), (20, 10005799), (37, 5408540), (38, 5266210), (43, 4653860), (74, 2704270), (76, 2633105), (86, 2326930), (95, 2106484), (148, 1352135), (172, 1163465), (185, 1081708), (190, 1053242), (215, 930772), (331, 604580), (370, 540854), (380, 526621), (430, 465386), (662, 302290), (703, 284660), (740, 270427), (817, 244940), (860, 232693), (1324, 151145), (1406, 142330), (1591, 125780), (1634, 122470), (1655, 120916), (2812, 71165), (3182, 62890), (3268, 61235), (3310, 60458), (3515, 56932), (4085, 48988), (6289, 31820), (6364, 31445), (6620, 30229), (7030, 28466), (7955, 25156), (8170, 24494), (12247, 16340), (12578, 15910), (14060, 14233)]