348790120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 931772160

約数和(自身を除く): 582982040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 131, 140, 148, 185, 257, 259, 262, 280, 296, 370, 514, 518, 524, 655, 740, 917, 1028, 1036, 1048, 1285, 1295, 1310, 1480, 1799, 1834, 2056, 2072, 2570, 2590, 2620, 3598, 3668, 4585, 4847, 5140, 5180, 5240, 7196, 7336, 8995, 9170, 9509, 9694, 10280, 10360, 14392, 17990, 18340, 19018, 19388, 24235, 33667, 33929, 35980, 36680, 38036, 38776, 47545, 48470, 66563, 67334, 67858, 71960, 76072, 95090, 96940, 133126, 134668, 135716, 168335, 169645, 190180, 193880, 235669, 266252, 269336, 271432, 332815, 336670, 339290, 380360, 471338, 532504, 665630, 673340, 678580, 942676, 1178345, 1245679, 1331260, 1346680, 1357160, 1885352, 2356690, 2491358, 2662520, 4713380, 4982716, 6228395, 8719753, 9426760, 9965432, 12456790, 17439506, 24913580, 34879012, 43598765, 49827160, 69758024, 87197530, 174395060, 348790120]

約数ペア:

[(1, 348790120), (2, 174395060), (4, 87197530), (5, 69758024), (7, 49827160), (8, 43598765), (10, 34879012), (14, 24913580), (20, 17439506), (28, 12456790), (35, 9965432), (37, 9426760), (40, 8719753), (56, 6228395), (70, 4982716), (74, 4713380), (131, 2662520), (140, 2491358), (148, 2356690), (185, 1885352), (257, 1357160), (259, 1346680), (262, 1331260), (280, 1245679), (296, 1178345), (370, 942676), (514, 678580), (518, 673340), (524, 665630), (655, 532504), (740, 471338), (917, 380360), (1028, 339290), (1036, 336670), (1048, 332815), (1285, 271432), (1295, 269336), (1310, 266252), (1480, 235669), (1799, 193880), (1834, 190180), (2056, 169645), (2072, 168335), (2570, 135716), (2590, 134668), (2620, 133126), (3598, 96940), (3668, 95090), (4585, 76072), (4847, 71960), (5140, 67858), (5180, 67334), (5240, 66563), (7196, 48470), (7336, 47545), (8995, 38776), (9170, 38036), (9509, 36680), (9694, 35980), (10280, 33929), (10360, 33667), (14392, 24235), (17990, 19388), (18340, 19018)]