1998944720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{8293}}^1$

素因数の和:8460

約数の個数: 80

約数和(自身を含む): 4887222912

約数和(自身を除く): 2888278192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 368, 460, 524, 655, 920, 1048, 1310, 1840, 2096, 2620, 3013, 5240, 6026, 8293, 10480, 12052, 15065, 16586, 24104, 30130, 33172, 41465, 48208, 60260, 66344, 82930, 120520, 132688, 165860, 190739, 241040, 331720, 381478, 663440, 762956, 953695, 1086383, 1525912, 1907390, 2172766, 3051824, 3814780, 4345532, 5431915, 7629560, 8691064, 10863830, 15259120, 17382128, 21727660, 24986809, 43455320, 49973618, 86910640, 99947236, 124934045, 199894472, 249868090, 399788944, 499736180, 999472360, 1998944720]

約数ペア:

[(1, 1998944720), (2, 999472360), (4, 499736180), (5, 399788944), (8, 249868090), (10, 199894472), (16, 124934045), (20, 99947236), (23, 86910640), (40, 49973618), (46, 43455320), (80, 24986809), (92, 21727660), (115, 17382128), (131, 15259120), (184, 10863830), (230, 8691064), (262, 7629560), (368, 5431915), (460, 4345532), (524, 3814780), (655, 3051824), (920, 2172766), (1048, 1907390), (1310, 1525912), (1840, 1086383), (2096, 953695), (2620, 762956), (3013, 663440), (5240, 381478), (6026, 331720), (8293, 241040), (10480, 190739), (12052, 165860), (15065, 132688), (16586, 120520), (24104, 82930), (30130, 66344), (33172, 60260), (41465, 48208)]