77890500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 144

約数和(自身を含む): 258935040

約数和(自身を除く): 181044540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 684, 750, 855, 900, 911, 950, 1125, 1140, 1425, 1500, 1710, 1822, 1900, 2250, 2375, 2733, 2850, 3420, 3644, 4275, 4500, 4555, 4750, 5466, 5700, 7125, 8199, 8550, 9110, 9500, 10932, 13665, 14250, 16398, 17100, 17309, 18220, 21375, 22775, 27330, 28500, 32796, 34618, 40995, 42750, 45550, 51927, 54660, 68325, 69236, 81990, 85500, 86545, 91100, 103854, 113875, 136650, 155781, 163980, 173090, 204975, 207708, 227750, 259635, 273300, 311562, 341625, 346180, 409950, 432725, 455500, 519270, 623124, 683250, 778905, 819900, 865450, 1024875, 1038540, 1298175, 1366500, 1557810, 1730900, 2049750, 2163625, 2596350, 3115620, 3894525, 4099500, 4327250, 5192700, 6490875, 7789050, 8654500, 12981750, 15578100, 19472625, 25963500, 38945250, 77890500]

約数ペア:

[(1, 77890500), (2, 38945250), (3, 25963500), (4, 19472625), (5, 15578100), (6, 12981750), (9, 8654500), (10, 7789050), (12, 6490875), (15, 5192700), (18, 4327250), (19, 4099500), (20, 3894525), (25, 3115620), (30, 2596350), (36, 2163625), (38, 2049750), (45, 1730900), (50, 1557810), (57, 1366500), (60, 1298175), (75, 1038540), (76, 1024875), (90, 865450), (95, 819900), (100, 778905), (114, 683250), (125, 623124), (150, 519270), (171, 455500), (180, 432725), (190, 409950), (225, 346180), (228, 341625), (250, 311562), (285, 273300), (300, 259635), (342, 227750), (375, 207708), (380, 204975), (450, 173090), (475, 163980), (500, 155781), (570, 136650), (684, 113875), (750, 103854), (855, 91100), (900, 86545), (911, 85500), (950, 81990), (1125, 69236), (1140, 68325), (1425, 54660), (1500, 51927), (1710, 45550), (1822, 42750), (1900, 40995), (2250, 34618), (2375, 32796), (2733, 28500), (2850, 27330), (3420, 22775), (3644, 21375), (4275, 18220), (4500, 17309), (4555, 17100), (4750, 16398), (5466, 14250), (5700, 13665), (7125, 10932), (8199, 9500), (8550, 9110)]