916345640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 2414223360

約数和(自身を除く): 1497877720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 127, 140, 146, 254, 280, 292, 353, 365, 508, 511, 584, 635, 706, 730, 889, 1016, 1022, 1270, 1412, 1460, 1765, 1778, 2044, 2471, 2540, 2555, 2824, 2920, 3530, 3556, 4088, 4445, 4942, 5080, 5110, 7060, 7112, 8890, 9271, 9884, 10220, 12355, 14120, 17780, 18542, 19768, 20440, 24710, 25769, 35560, 37084, 44831, 46355, 49420, 51538, 64897, 74168, 89662, 92710, 98840, 103076, 128845, 129794, 179324, 180383, 185420, 206152, 224155, 257690, 259588, 313817, 324485, 358648, 360766, 370840, 448310, 515380, 519176, 627634, 648970, 721532, 896620, 901915, 1030760, 1255268, 1297940, 1443064, 1569085, 1793240, 1803830, 2510536, 2595880, 3138170, 3272663, 3607660, 6276340, 6545326, 7215320, 12552680, 13090652, 16363315, 22908641, 26181304, 32726630, 45817282, 65453260, 91634564, 114543205, 130906520, 183269128, 229086410, 458172820, 916345640]

約数ペア:

[(1, 916345640), (2, 458172820), (4, 229086410), (5, 183269128), (7, 130906520), (8, 114543205), (10, 91634564), (14, 65453260), (20, 45817282), (28, 32726630), (35, 26181304), (40, 22908641), (56, 16363315), (70, 13090652), (73, 12552680), (127, 7215320), (140, 6545326), (146, 6276340), (254, 3607660), (280, 3272663), (292, 3138170), (353, 2595880), (365, 2510536), (508, 1803830), (511, 1793240), (584, 1569085), (635, 1443064), (706, 1297940), (730, 1255268), (889, 1030760), (1016, 901915), (1022, 896620), (1270, 721532), (1412, 648970), (1460, 627634), (1765, 519176), (1778, 515380), (2044, 448310), (2471, 370840), (2540, 360766), (2555, 358648), (2824, 324485), (2920, 313817), (3530, 259588), (3556, 257690), (4088, 224155), (4445, 206152), (4942, 185420), (5080, 180383), (5110, 179324), (7060, 129794), (7112, 128845), (8890, 103076), (9271, 98840), (9884, 92710), (10220, 89662), (12355, 74168), (14120, 64897), (17780, 51538), (18542, 49420), (19768, 46355), (20440, 44831), (24710, 37084), (25769, 35560)]