7798240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 20248704

約数和(自身を除く): 12450464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 61, 68, 80, 85, 94, 122, 136, 160, 170, 188, 235, 244, 272, 305, 340, 376, 470, 488, 544, 610, 680, 752, 799, 940, 976, 1037, 1220, 1360, 1504, 1598, 1880, 1952, 2074, 2440, 2720, 2867, 3196, 3760, 3995, 4148, 4880, 5185, 5734, 6392, 7520, 7990, 8296, 9760, 10370, 11468, 12784, 14335, 15980, 16592, 20740, 22936, 25568, 28670, 31960, 33184, 41480, 45872, 48739, 57340, 63920, 82960, 91744, 97478, 114680, 127840, 165920, 194956, 229360, 243695, 389912, 458720, 487390, 779824, 974780, 1559648, 1949560, 3899120, 7798240]

約数ペア:

[(1, 7798240), (2, 3899120), (4, 1949560), (5, 1559648), (8, 974780), (10, 779824), (16, 487390), (17, 458720), (20, 389912), (32, 243695), (34, 229360), (40, 194956), (47, 165920), (61, 127840), (68, 114680), (80, 97478), (85, 91744), (94, 82960), (122, 63920), (136, 57340), (160, 48739), (170, 45872), (188, 41480), (235, 33184), (244, 31960), (272, 28670), (305, 25568), (340, 22936), (376, 20740), (470, 16592), (488, 15980), (544, 14335), (610, 12784), (680, 11468), (752, 10370), (799, 9760), (940, 8296), (976, 7990), (1037, 7520), (1220, 6392), (1360, 5734), (1504, 5185), (1598, 4880), (1880, 4148), (1952, 3995), (2074, 3760), (2440, 3196), (2720, 2867)]