171359980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^2$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 402567984

約数和(自身を除く): 231208004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 113, 122, 220, 226, 244, 305, 452, 565, 610, 671, 1130, 1220, 1243, 1342, 2260, 2486, 2684, 3355, 4972, 6215, 6710, 6893, 12430, 12769, 13420, 13786, 24860, 25538, 27572, 34465, 51076, 63845, 68930, 75823, 127690, 137860, 140459, 151646, 255380, 280918, 303292, 379115, 561836, 702295, 758230, 778909, 1404590, 1516460, 1557818, 2809180, 3115636, 3894545, 7789090, 8567999, 15578180, 17135998, 34271996, 42839995, 85679990, 171359980]

約数ペア:

[(1, 171359980), (2, 85679990), (4, 42839995), (5, 34271996), (10, 17135998), (11, 15578180), (20, 8567999), (22, 7789090), (44, 3894545), (55, 3115636), (61, 2809180), (110, 1557818), (113, 1516460), (122, 1404590), (220, 778909), (226, 758230), (244, 702295), (305, 561836), (452, 379115), (565, 303292), (610, 280918), (671, 255380), (1130, 151646), (1220, 140459), (1243, 137860), (1342, 127690), (2260, 75823), (2486, 68930), (2684, 63845), (3355, 51076), (4972, 34465), (6215, 27572), (6710, 25538), (6893, 24860), (12430, 13786), (12769, 13420)]