198946980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1105261}}^1$

素因数の和:1105276

約数の個数: 36

約数和(自身を含む): 603473052

約数和(自身を除く): 404526072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1105261, 2210522, 3315783, 4421044, 5526305, 6631566, 9947349, 11052610, 13263132, 16578915, 19894698, 22105220, 33157830, 39789396, 49736745, 66315660, 99473490, 198946980]

約数ペア:

[(1, 198946980), (2, 99473490), (3, 66315660), (4, 49736745), (5, 39789396), (6, 33157830), (9, 22105220), (10, 19894698), (12, 16578915), (15, 13263132), (18, 11052610), (20, 9947349), (30, 6631566), (36, 5526305), (45, 4421044), (60, 3315783), (90, 2210522), (180, 1105261)]