17920040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 45674280

約数和(自身を除く): 27754240

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 73, 76, 85, 95, 136, 146, 152, 170, 190, 292, 323, 340, 361, 365, 380, 584, 646, 680, 722, 730, 760, 1241, 1292, 1387, 1444, 1460, 1615, 1805, 2482, 2584, 2774, 2888, 2920, 3230, 3610, 4964, 5548, 6137, 6205, 6460, 6935, 7220, 9928, 11096, 12274, 12410, 12920, 13870, 14440, 23579, 24548, 24820, 26353, 27740, 30685, 47158, 49096, 49640, 52706, 55480, 61370, 94316, 105412, 117895, 122740, 131765, 188632, 210824, 235790, 245480, 263530, 448001, 471580, 527060, 896002, 943160, 1054120, 1792004, 2240005, 3584008, 4480010, 8960020, 17920040]

約数ペア:

[(1, 17920040), (2, 8960020), (4, 4480010), (5, 3584008), (8, 2240005), (10, 1792004), (17, 1054120), (19, 943160), (20, 896002), (34, 527060), (38, 471580), (40, 448001), (68, 263530), (73, 245480), (76, 235790), (85, 210824), (95, 188632), (136, 131765), (146, 122740), (152, 117895), (170, 105412), (190, 94316), (292, 61370), (323, 55480), (340, 52706), (361, 49640), (365, 49096), (380, 47158), (584, 30685), (646, 27740), (680, 26353), (722, 24820), (730, 24548), (760, 23579), (1241, 14440), (1292, 13870), (1387, 12920), (1444, 12410), (1460, 12274), (1615, 11096), (1805, 9928), (2482, 7220), (2584, 6935), (2774, 6460), (2888, 6205), (2920, 6137), (3230, 5548), (3610, 4964)]