66981700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 162903636

約数和(自身を除く): 95921936

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 41, 50, 62, 68, 82, 85, 100, 124, 155, 164, 170, 205, 310, 340, 410, 425, 527, 620, 697, 775, 820, 850, 961, 1025, 1054, 1271, 1394, 1550, 1700, 1922, 2050, 2108, 2542, 2635, 2788, 3100, 3485, 3844, 4100, 4805, 5084, 5270, 6355, 6970, 9610, 10540, 12710, 13175, 13940, 16337, 17425, 19220, 21607, 24025, 25420, 26350, 31775, 32674, 34850, 39401, 43214, 48050, 52700, 63550, 65348, 69700, 78802, 81685, 86428, 96100, 108035, 127100, 157604, 163370, 197005, 216070, 326740, 394010, 408425, 432140, 540175, 669817, 788020, 816850, 985025, 1080350, 1339634, 1633700, 1970050, 2160700, 2679268, 3349085, 3940100, 6698170, 13396340, 16745425, 33490850, 66981700]

約数ペア:

[(1, 66981700), (2, 33490850), (4, 16745425), (5, 13396340), (10, 6698170), (17, 3940100), (20, 3349085), (25, 2679268), (31, 2160700), (34, 1970050), (41, 1633700), (50, 1339634), (62, 1080350), (68, 985025), (82, 816850), (85, 788020), (100, 669817), (124, 540175), (155, 432140), (164, 408425), (170, 394010), (205, 326740), (310, 216070), (340, 197005), (410, 163370), (425, 157604), (527, 127100), (620, 108035), (697, 96100), (775, 86428), (820, 81685), (850, 78802), (961, 69700), (1025, 65348), (1054, 63550), (1271, 52700), (1394, 48050), (1550, 43214), (1700, 39401), (1922, 34850), (2050, 32674), (2108, 31775), (2542, 26350), (2635, 25420), (2788, 24025), (3100, 21607), (3485, 19220), (3844, 17425), (4100, 16337), (4805, 13940), (5084, 13175), (5270, 12710), (6355, 10540), (6970, 9610)]