128197400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 332456400

約数和(自身を除く): 204259000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 29, 31, 40, 46, 50, 58, 62, 92, 100, 115, 116, 124, 145, 155, 184, 200, 230, 232, 248, 290, 310, 460, 575, 580, 620, 667, 713, 725, 775, 899, 920, 961, 1150, 1160, 1240, 1334, 1426, 1450, 1550, 1798, 1922, 2300, 2668, 2852, 2900, 3100, 3335, 3565, 3596, 3844, 4495, 4600, 4805, 5336, 5704, 5800, 6200, 6670, 7130, 7192, 7688, 8990, 9610, 13340, 14260, 16675, 17825, 17980, 19220, 20677, 22103, 22475, 24025, 26680, 27869, 28520, 33350, 35650, 35960, 38440, 41354, 44206, 44950, 48050, 55738, 66700, 71300, 82708, 88412, 89900, 96100, 103385, 110515, 111476, 133400, 139345, 142600, 165416, 176824, 179800, 192200, 206770, 221030, 222952, 278690, 413540, 442060, 516925, 552575, 557380, 640987, 696725, 827080, 884120, 1033850, 1105150, 1114760, 1281974, 1393450, 2067700, 2210300, 2563948, 2786900, 3204935, 4135400, 4420600, 5127896, 5573800, 6409870, 12819740, 16024675, 25639480, 32049350, 64098700, 128197400]

約数ペア:

[(1, 128197400), (2, 64098700), (4, 32049350), (5, 25639480), (8, 16024675), (10, 12819740), (20, 6409870), (23, 5573800), (25, 5127896), (29, 4420600), (31, 4135400), (40, 3204935), (46, 2786900), (50, 2563948), (58, 2210300), (62, 2067700), (92, 1393450), (100, 1281974), (115, 1114760), (116, 1105150), (124, 1033850), (145, 884120), (155, 827080), (184, 696725), (200, 640987), (230, 557380), (232, 552575), (248, 516925), (290, 442060), (310, 413540), (460, 278690), (575, 222952), (580, 221030), (620, 206770), (667, 192200), (713, 179800), (725, 176824), (775, 165416), (899, 142600), (920, 139345), (961, 133400), (1150, 111476), (1160, 110515), (1240, 103385), (1334, 96100), (1426, 89900), (1450, 88412), (1550, 82708), (1798, 71300), (1922, 66700), (2300, 55738), (2668, 48050), (2852, 44950), (2900, 44206), (3100, 41354), (3335, 38440), (3565, 35960), (3596, 35650), (3844, 33350), (4495, 28520), (4600, 27869), (4805, 26680), (5336, 24025), (5704, 22475), (5800, 22103), (6200, 20677), (6670, 19220), (7130, 17980), (7192, 17825), (7688, 16675), (8990, 14260), (9610, 13340)]