About the Number

198900

198899 ← → 198901

2進数表記:110000100011110100

漢数字表記:十九万八千九百

素因数分解:

2 2 × 3 2 × 5 2 × 13 1 × 17 1

素因数の和:50
約数の個数: 108
約数和(自身を含む): 710892
約数和(自身を除く): 511992

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 30, 34, 36, 39, 45, 50, 51, 52, 60, 65, 68, 75, 78, 85, 90, 100, 102, 117, 130, 150, 153, 156, 170, 180, 195, 204, 221, 225, 234, 255, 260, 300, 306, 325, 340, 390, 425, 442, 450, 468, 510, 585, 612, 650, 663, 765, 780, 850, 884, 900, 975, 1020, 1105, 1170, 1275, 1300, 1326, 1530, 1700, 1950, 1989, 2210, 2340, 2550, 2652, 2925, 3060, 3315, 3825, 3900, 3978, 4420, 5100, 5525, 5850, 6630, 7650, 7956, 9945, 11050, 11700, 13260, 15300, 16575, 19890, 22100, 33150, 39780, 49725, 66300, 99450, 198900]

約数ペア:
[(1, 198900), (2, 99450), (3, 66300), (4, 49725), (5, 39780), (6, 33150), (9, 22100), (10, 19890), (12, 16575), (13, 15300), (15, 13260), (17, 11700), (18, 11050), (20, 9945), (25, 7956), (26, 7650), (30, 6630), (34, 5850), (36, 5525), (39, 5100), (45, 4420), (50, 3978), (51, 3900), (52, 3825), (60, 3315), (65, 3060), (68, 2925), (75, 2652), (78, 2550), (85, 2340), (90, 2210), (100, 1989), (102, 1950), (117, 1700), (130, 1530), (150, 1326), (153, 1300), (156, 1275), (170, 1170), (180, 1105), (195, 1020), (204, 975), (221, 900), (225, 884), (234, 850), (255, 780), (260, 765), (300, 663), (306, 650), (325, 612), (340, 585), (390, 510), (425, 468), (442, 450)]

このpageの処理時間: 0.002384185791015625 seconds