266875900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 659957760

約数和(自身を除く): 393081860

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 31, 38, 46, 50, 62, 76, 92, 95, 100, 115, 124, 155, 190, 197, 230, 310, 380, 394, 437, 460, 475, 575, 589, 620, 713, 775, 788, 874, 950, 985, 1150, 1178, 1426, 1550, 1748, 1900, 1970, 2185, 2300, 2356, 2852, 2945, 3100, 3565, 3743, 3940, 4370, 4531, 4925, 5890, 6107, 7130, 7486, 8740, 9062, 9850, 10925, 11780, 12214, 13547, 14260, 14725, 14972, 17825, 18124, 18715, 19700, 21850, 22655, 24428, 27094, 29450, 30535, 35650, 37430, 43700, 45310, 54188, 58900, 61070, 67735, 71300, 74860, 86089, 90620, 93575, 113275, 116033, 122140, 135470, 140461, 152675, 172178, 187150, 226550, 232066, 270940, 280922, 305350, 338675, 344356, 374300, 430445, 453100, 464132, 561844, 580165, 610700, 677350, 702305, 860890, 1160330, 1354700, 1404610, 1721780, 2152225, 2320660, 2668759, 2809220, 2900825, 3511525, 4304450, 5337518, 5801650, 7023050, 8608900, 10675036, 11603300, 13343795, 14046100, 26687590, 53375180, 66718975, 133437950, 266875900]

約数ペア:

[(1, 266875900), (2, 133437950), (4, 66718975), (5, 53375180), (10, 26687590), (19, 14046100), (20, 13343795), (23, 11603300), (25, 10675036), (31, 8608900), (38, 7023050), (46, 5801650), (50, 5337518), (62, 4304450), (76, 3511525), (92, 2900825), (95, 2809220), (100, 2668759), (115, 2320660), (124, 2152225), (155, 1721780), (190, 1404610), (197, 1354700), (230, 1160330), (310, 860890), (380, 702305), (394, 677350), (437, 610700), (460, 580165), (475, 561844), (575, 464132), (589, 453100), (620, 430445), (713, 374300), (775, 344356), (788, 338675), (874, 305350), (950, 280922), (985, 270940), (1150, 232066), (1178, 226550), (1426, 187150), (1550, 172178), (1748, 152675), (1900, 140461), (1970, 135470), (2185, 122140), (2300, 116033), (2356, 113275), (2852, 93575), (2945, 90620), (3100, 86089), (3565, 74860), (3743, 71300), (3940, 67735), (4370, 61070), (4531, 58900), (4925, 54188), (5890, 45310), (6107, 43700), (7130, 37430), (7486, 35650), (8740, 30535), (9062, 29450), (9850, 27094), (10925, 24428), (11780, 22655), (12214, 21850), (13547, 19700), (14260, 18715), (14725, 18124), (14972, 17825)]