278838800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 701145600

約数和(自身を除く): 422306800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 113, 124, 155, 199, 200, 226, 248, 310, 398, 400, 452, 496, 565, 620, 775, 796, 904, 995, 1130, 1240, 1550, 1592, 1808, 1990, 2260, 2480, 2825, 3100, 3184, 3503, 3980, 4520, 4975, 5650, 6169, 6200, 7006, 7960, 9040, 9950, 11300, 12338, 12400, 14012, 15920, 17515, 19900, 22487, 22600, 24676, 28024, 30845, 35030, 39800, 44974, 45200, 49352, 56048, 61690, 70060, 79600, 87575, 89948, 98704, 112435, 123380, 140120, 154225, 175150, 179896, 224870, 246760, 280240, 308450, 350300, 359792, 449740, 493520, 562175, 616900, 697097, 700600, 899480, 1124350, 1233800, 1394194, 1401200, 1798960, 2248700, 2467600, 2788388, 3485485, 4497400, 5576776, 6970970, 8994800, 11153552, 13941940, 17427425, 27883880, 34854850, 55767760, 69709700, 139419400, 278838800]

約数ペア:

[(1, 278838800), (2, 139419400), (4, 69709700), (5, 55767760), (8, 34854850), (10, 27883880), (16, 17427425), (20, 13941940), (25, 11153552), (31, 8994800), (40, 6970970), (50, 5576776), (62, 4497400), (80, 3485485), (100, 2788388), (113, 2467600), (124, 2248700), (155, 1798960), (199, 1401200), (200, 1394194), (226, 1233800), (248, 1124350), (310, 899480), (398, 700600), (400, 697097), (452, 616900), (496, 562175), (565, 493520), (620, 449740), (775, 359792), (796, 350300), (904, 308450), (995, 280240), (1130, 246760), (1240, 224870), (1550, 179896), (1592, 175150), (1808, 154225), (1990, 140120), (2260, 123380), (2480, 112435), (2825, 98704), (3100, 89948), (3184, 87575), (3503, 79600), (3980, 70060), (4520, 61690), (4975, 56048), (5650, 49352), (6169, 45200), (6200, 44974), (7006, 39800), (7960, 35030), (9040, 30845), (9950, 28024), (11300, 24676), (12338, 22600), (12400, 22487), (14012, 19900), (15920, 17515)]