77902840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 194957280

約数和(自身を除く): 117054440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 289, 293, 340, 391, 460, 578, 586, 680, 782, 920, 1156, 1172, 1445, 1465, 1564, 1955, 2312, 2344, 2890, 2930, 3128, 3910, 4981, 5780, 5860, 6647, 6739, 7820, 9962, 11560, 11720, 13294, 13478, 15640, 19924, 24905, 26588, 26956, 33235, 33695, 39848, 49810, 53176, 53912, 66470, 67390, 84677, 99620, 114563, 132940, 134780, 169354, 199240, 229126, 265880, 269560, 338708, 423385, 458252, 572815, 677416, 846770, 916504, 1145630, 1693540, 1947571, 2291260, 3387080, 3895142, 4582520, 7790284, 9737855, 15580568, 19475710, 38951420, 77902840]

約数ペア:

[(1, 77902840), (2, 38951420), (4, 19475710), (5, 15580568), (8, 9737855), (10, 7790284), (17, 4582520), (20, 3895142), (23, 3387080), (34, 2291260), (40, 1947571), (46, 1693540), (68, 1145630), (85, 916504), (92, 846770), (115, 677416), (136, 572815), (170, 458252), (184, 423385), (230, 338708), (289, 269560), (293, 265880), (340, 229126), (391, 199240), (460, 169354), (578, 134780), (586, 132940), (680, 114563), (782, 99620), (920, 84677), (1156, 67390), (1172, 66470), (1445, 53912), (1465, 53176), (1564, 49810), (1955, 39848), (2312, 33695), (2344, 33235), (2890, 26956), (2930, 26588), (3128, 24905), (3910, 19924), (4981, 15640), (5780, 13478), (5860, 13294), (6647, 11720), (6739, 11560), (7820, 9962)]