861900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 108

約数和(自身を含む): 2859192

約数和(自身を除く): 1997292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 169, 170, 195, 204, 221, 255, 260, 300, 325, 338, 340, 390, 425, 442, 507, 510, 650, 663, 676, 780, 845, 850, 884, 975, 1014, 1020, 1105, 1275, 1300, 1326, 1690, 1700, 1950, 2028, 2210, 2535, 2550, 2652, 2873, 3315, 3380, 3900, 4225, 4420, 5070, 5100, 5525, 5746, 6630, 8450, 8619, 10140, 11050, 11492, 12675, 13260, 14365, 16575, 16900, 17238, 22100, 25350, 28730, 33150, 34476, 43095, 50700, 57460, 66300, 71825, 86190, 143650, 172380, 215475, 287300, 430950, 861900]

約数ペア:

[(1, 861900), (2, 430950), (3, 287300), (4, 215475), (5, 172380), (6, 143650), (10, 86190), (12, 71825), (13, 66300), (15, 57460), (17, 50700), (20, 43095), (25, 34476), (26, 33150), (30, 28730), (34, 25350), (39, 22100), (50, 17238), (51, 16900), (52, 16575), (60, 14365), (65, 13260), (68, 12675), (75, 11492), (78, 11050), (85, 10140), (100, 8619), (102, 8450), (130, 6630), (150, 5746), (156, 5525), (169, 5100), (170, 5070), (195, 4420), (204, 4225), (221, 3900), (255, 3380), (260, 3315), (300, 2873), (325, 2652), (338, 2550), (340, 2535), (390, 2210), (425, 2028), (442, 1950), (507, 1700), (510, 1690), (650, 1326), (663, 1300), (676, 1275), (780, 1105), (845, 1020), (850, 1014), (884, 975)]