19770300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2028

約数の個数: 108

約数和(自身を含む): 67636296

約数和(自身を除く): 47865996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 1997, 2475, 3300, 3994, 4950, 5991, 7988, 9900, 9985, 11982, 17973, 19970, 21967, 23964, 29955, 35946, 39940, 43934, 49925, 59910, 65901, 71892, 87868, 89865, 99850, 109835, 119820, 131802, 149775, 179730, 197703, 199700, 219670, 263604, 299550, 329505, 359460, 395406, 439340, 449325, 549175, 599100, 659010, 790812, 898650, 988515, 1098350, 1318020, 1647525, 1797300, 1977030, 2196700, 3295050, 3954060, 4942575, 6590100, 9885150, 19770300]

約数ペア:

[(1, 19770300), (2, 9885150), (3, 6590100), (4, 4942575), (5, 3954060), (6, 3295050), (9, 2196700), (10, 1977030), (11, 1797300), (12, 1647525), (15, 1318020), (18, 1098350), (20, 988515), (22, 898650), (25, 790812), (30, 659010), (33, 599100), (36, 549175), (44, 449325), (45, 439340), (50, 395406), (55, 359460), (60, 329505), (66, 299550), (75, 263604), (90, 219670), (99, 199700), (100, 197703), (110, 179730), (132, 149775), (150, 131802), (165, 119820), (180, 109835), (198, 99850), (220, 89865), (225, 87868), (275, 71892), (300, 65901), (330, 59910), (396, 49925), (450, 43934), (495, 39940), (550, 35946), (660, 29955), (825, 23964), (900, 21967), (990, 19970), (1100, 17973), (1650, 11982), (1980, 9985), (1997, 9900), (2475, 7988), (3300, 5991), (3994, 4950)]