28239950

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 54800064

約数和(自身を除く): 26560114

約数列:

[1, 2, 5, 10, 25, 47, 50, 61, 94, 122, 197, 235, 305, 394, 470, 610, 985, 1175, 1525, 1970, 2350, 2867, 3050, 4925, 5734, 9259, 9850, 12017, 14335, 18518, 24034, 28670, 46295, 60085, 71675, 92590, 120170, 143350, 231475, 300425, 462950, 564799, 600850, 1129598, 2823995, 5647990, 14119975, 28239950]

約数ペア:

[(1, 28239950), (2, 14119975), (5, 5647990), (10, 2823995), (25, 1129598), (47, 600850), (50, 564799), (61, 462950), (94, 300425), (122, 231475), (197, 143350), (235, 120170), (305, 92590), (394, 71675), (470, 60085), (610, 46295), (985, 28670), (1175, 24034), (1525, 18518), (1970, 14335), (2350, 12017), (2867, 9850), (3050, 9259), (4925, 5734)]