194237820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{154157}}^1$

素因数の和:154179

約数の個数: 72

約数和(自身を含む): 673362144

約数和(自身を除く): 479124324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 154157, 308314, 462471, 616628, 770785, 924942, 1079099, 1387413, 1541570, 1849884, 2158198, 2312355, 2774826, 3083140, 3237297, 4316396, 4624710, 5395495, 5549652, 6474594, 6937065, 9249420, 9711891, 10790990, 12949188, 13874130, 16186485, 19423782, 21581980, 27748260, 32372970, 38847564, 48559455, 64745940, 97118910, 194237820]

約数ペア:

[(1, 194237820), (2, 97118910), (3, 64745940), (4, 48559455), (5, 38847564), (6, 32372970), (7, 27748260), (9, 21581980), (10, 19423782), (12, 16186485), (14, 13874130), (15, 12949188), (18, 10790990), (20, 9711891), (21, 9249420), (28, 6937065), (30, 6474594), (35, 5549652), (36, 5395495), (42, 4624710), (45, 4316396), (60, 3237297), (63, 3083140), (70, 2774826), (84, 2312355), (90, 2158198), (105, 1849884), (126, 1541570), (140, 1387413), (180, 1079099), (210, 924942), (252, 770785), (315, 616628), (420, 462471), (630, 308314), (1260, 154157)]