1729921880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{31181}}^1$

素因数の和:31284

約数の個数: 64

約数和(自身を含む): 4153442400

約数和(自身を除く): 2423520520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2774, 2920, 5548, 6935, 11096, 13870, 27740, 31181, 55480, 62362, 124724, 155905, 249448, 311810, 592439, 623620, 1184878, 1247240, 2276213, 2369756, 2962195, 4552426, 4739512, 5924390, 9104852, 11381065, 11848780, 18209704, 22762130, 23697560, 43248047, 45524260, 86496094, 91048520, 172992188, 216240235, 345984376, 432480470, 864960940, 1729921880]

約数ペア:

[(1, 1729921880), (2, 864960940), (4, 432480470), (5, 345984376), (8, 216240235), (10, 172992188), (19, 91048520), (20, 86496094), (38, 45524260), (40, 43248047), (73, 23697560), (76, 22762130), (95, 18209704), (146, 11848780), (152, 11381065), (190, 9104852), (292, 5924390), (365, 4739512), (380, 4552426), (584, 2962195), (730, 2369756), (760, 2276213), (1387, 1247240), (1460, 1184878), (2774, 623620), (2920, 592439), (5548, 311810), (6935, 249448), (11096, 155905), (13870, 124724), (27740, 62362), (31181, 55480)]