9989970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 25069824

約数和(自身を除く): 15079854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 61, 103, 106, 122, 159, 183, 206, 265, 305, 309, 318, 366, 515, 530, 610, 618, 795, 915, 1030, 1545, 1590, 1830, 3090, 3233, 5459, 6283, 6466, 9699, 10918, 12566, 16165, 16377, 18849, 19398, 27295, 31415, 32330, 32754, 37698, 48495, 54590, 62830, 81885, 94245, 96990, 163770, 188490, 332999, 665998, 998997, 1664995, 1997994, 3329990, 4994985, 9989970]

約数ペア:

[(1, 9989970), (2, 4994985), (3, 3329990), (5, 1997994), (6, 1664995), (10, 998997), (15, 665998), (30, 332999), (53, 188490), (61, 163770), (103, 96990), (106, 94245), (122, 81885), (159, 62830), (183, 54590), (206, 48495), (265, 37698), (305, 32754), (309, 32330), (318, 31415), (366, 27295), (515, 19398), (530, 18849), (610, 16377), (618, 16165), (795, 12566), (915, 10918), (1030, 9699), (1545, 6466), (1590, 6283), (1830, 5459), (3090, 3233)]