200300400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{55639}}^1$

素因数の和:55663

約数の個数: 90

約数和(自身を含む): 695110520

約数和(自身を除く): 494810120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 55639, 111278, 166917, 222556, 278195, 333834, 445112, 500751, 556390, 667668, 834585, 890224, 1001502, 1112780, 1335336, 1390975, 1669170, 2003004, 2225560, 2503755, 2670672, 2781950, 3338340, 4006008, 4172925, 4451120, 5007510, 5563900, 6676680, 8012016, 8345850, 10015020, 11127800, 12518775, 13353360, 16691700, 20030040, 22255600, 25037550, 33383400, 40060080, 50075100, 66766800, 100150200, 200300400]

約数ペア:

[(1, 200300400), (2, 100150200), (3, 66766800), (4, 50075100), (5, 40060080), (6, 33383400), (8, 25037550), (9, 22255600), (10, 20030040), (12, 16691700), (15, 13353360), (16, 12518775), (18, 11127800), (20, 10015020), (24, 8345850), (25, 8012016), (30, 6676680), (36, 5563900), (40, 5007510), (45, 4451120), (48, 4172925), (50, 4006008), (60, 3338340), (72, 2781950), (75, 2670672), (80, 2503755), (90, 2225560), (100, 2003004), (120, 1669170), (144, 1390975), (150, 1335336), (180, 1112780), (200, 1001502), (225, 890224), (240, 834585), (300, 667668), (360, 556390), (400, 500751), (450, 445112), (600, 333834), (720, 278195), (900, 222556), (1200, 166917), (1800, 111278), (3600, 55639)]