198397800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{110221}}^1$

素因数の和:110243

約数の個数: 72

約数和(自身を含む): 666291990

約数和(自身を除く): 467894190

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 110221, 220442, 330663, 440884, 551105, 661326, 881768, 991989, 1102210, 1322652, 1653315, 1983978, 2204420, 2645304, 2755525, 3306630, 3967956, 4408840, 4959945, 5511050, 6613260, 7935912, 8266575, 9919890, 11022100, 13226520, 16533150, 19839780, 22044200, 24799725, 33066300, 39679560, 49599450, 66132600, 99198900, 198397800]

約数ペア:

[(1, 198397800), (2, 99198900), (3, 66132600), (4, 49599450), (5, 39679560), (6, 33066300), (8, 24799725), (9, 22044200), (10, 19839780), (12, 16533150), (15, 13226520), (18, 11022100), (20, 9919890), (24, 8266575), (25, 7935912), (30, 6613260), (36, 5511050), (40, 4959945), (45, 4408840), (50, 3967956), (60, 3306630), (72, 2755525), (75, 2645304), (90, 2204420), (100, 1983978), (120, 1653315), (150, 1322652), (180, 1102210), (200, 991989), (225, 881768), (300, 661326), (360, 551105), (450, 440884), (600, 330663), (900, 220442), (1800, 110221)]