128618875

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 215115264

約数和(自身を除く): 86496389

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 83, 115, 125, 161, 175, 245, 253, 275, 385, 415, 539, 575, 581, 805, 875, 913, 1127, 1225, 1265, 1375, 1771, 1909, 1925, 2075, 2695, 2875, 2905, 4025, 4067, 4565, 5635, 6125, 6325, 6391, 8855, 9545, 9625, 10375, 12397, 13363, 13475, 14525, 20125, 20335, 20999, 22825, 28175, 31625, 31955, 44275, 44737, 47725, 61985, 66815, 67375, 72625, 93541, 101675, 104995, 114125, 140875, 146993, 159775, 221375, 223685, 238625, 309925, 334075, 467705, 508375, 524975, 734965, 798875, 1028951, 1118425, 1549625, 1670375, 2338525, 2624875, 3674825, 5144755, 5592125, 11692625, 18374125, 25723775, 128618875]

約数ペア:

[(1, 128618875), (5, 25723775), (7, 18374125), (11, 11692625), (23, 5592125), (25, 5144755), (35, 3674825), (49, 2624875), (55, 2338525), (77, 1670375), (83, 1549625), (115, 1118425), (125, 1028951), (161, 798875), (175, 734965), (245, 524975), (253, 508375), (275, 467705), (385, 334075), (415, 309925), (539, 238625), (575, 223685), (581, 221375), (805, 159775), (875, 146993), (913, 140875), (1127, 114125), (1225, 104995), (1265, 101675), (1375, 93541), (1771, 72625), (1909, 67375), (1925, 66815), (2075, 61985), (2695, 47725), (2875, 44737), (2905, 44275), (4025, 31955), (4067, 31625), (4565, 28175), (5635, 22825), (6125, 20999), (6325, 20335), (6391, 20125), (8855, 14525), (9545, 13475), (9625, 13363), (10375, 12397)]