28147950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 72

約数和(自身を含む): 76776336

約数和(自身を除く): 48628386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 881, 1065, 1278, 1762, 1775, 2130, 2643, 3195, 3550, 4405, 5286, 5325, 6390, 7929, 8810, 10650, 13215, 15858, 15975, 22025, 26430, 31950, 39645, 44050, 62551, 66075, 79290, 125102, 132150, 187653, 198225, 312755, 375306, 396450, 562959, 625510, 938265, 1125918, 1563775, 1876530, 2814795, 3127550, 4691325, 5629590, 9382650, 14073975, 28147950]

約数ペア:

[(1, 28147950), (2, 14073975), (3, 9382650), (5, 5629590), (6, 4691325), (9, 3127550), (10, 2814795), (15, 1876530), (18, 1563775), (25, 1125918), (30, 938265), (45, 625510), (50, 562959), (71, 396450), (75, 375306), (90, 312755), (142, 198225), (150, 187653), (213, 132150), (225, 125102), (355, 79290), (426, 66075), (450, 62551), (639, 44050), (710, 39645), (881, 31950), (1065, 26430), (1278, 22025), (1762, 15975), (1775, 15858), (2130, 13215), (2643, 10650), (3195, 8810), (3550, 7929), (4405, 6390), (5286, 5325)]