779828590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 1596871584

約数和(自身を除く): 817042994

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 97, 131, 170, 190, 194, 262, 323, 361, 485, 646, 655, 722, 970, 1310, 1615, 1649, 1805, 1843, 2227, 2489, 3230, 3298, 3610, 3686, 4454, 4978, 6137, 8245, 9215, 11135, 12274, 12445, 12707, 16490, 18430, 22270, 24890, 25414, 30685, 31331, 35017, 42313, 47291, 61370, 62662, 63535, 70034, 84626, 94582, 127070, 156655, 175085, 211565, 216019, 236455, 241433, 313310, 350170, 423130, 432038, 472910, 482866, 595289, 803947, 1080095, 1190578, 1207165, 1607894, 2160190, 2414330, 2976445, 4019735, 4104361, 4587227, 5952890, 8039470, 8208722, 9174454, 20521805, 22936135, 41043610, 45872270, 77982859, 155965718, 389914295, 779828590]

約数ペア:

[(1, 779828590), (2, 389914295), (5, 155965718), (10, 77982859), (17, 45872270), (19, 41043610), (34, 22936135), (38, 20521805), (85, 9174454), (95, 8208722), (97, 8039470), (131, 5952890), (170, 4587227), (190, 4104361), (194, 4019735), (262, 2976445), (323, 2414330), (361, 2160190), (485, 1607894), (646, 1207165), (655, 1190578), (722, 1080095), (970, 803947), (1310, 595289), (1615, 482866), (1649, 472910), (1805, 432038), (1843, 423130), (2227, 350170), (2489, 313310), (3230, 241433), (3298, 236455), (3610, 216019), (3686, 211565), (4454, 175085), (4978, 156655), (6137, 127070), (8245, 94582), (9215, 84626), (11135, 70034), (12274, 63535), (12445, 62662), (12707, 61370), (16490, 47291), (18430, 42313), (22270, 35017), (24890, 31331), (25414, 30685)]