318760910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 704471040

約数和(自身を除く): 385710130

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 31, 38, 46, 62, 65, 95, 115, 130, 155, 181, 190, 230, 247, 299, 310, 362, 403, 437, 494, 589, 598, 713, 806, 874, 905, 1178, 1235, 1426, 1495, 1810, 2015, 2185, 2353, 2470, 2945, 2990, 3439, 3565, 4030, 4163, 4370, 4706, 5611, 5681, 5890, 6878, 7130, 7657, 8326, 9269, 11222, 11362, 11765, 13547, 15314, 17195, 18538, 20815, 23530, 27094, 28055, 28405, 34390, 38285, 41630, 44707, 46345, 54119, 56110, 56810, 67735, 72943, 76570, 79097, 89414, 92690, 106609, 108238, 129053, 135470, 145886, 158194, 176111, 213218, 223535, 258106, 270595, 352222, 364715, 395485, 447070, 533045, 541190, 645265, 729430, 790970, 880555, 1028261, 1066090, 1290530, 1385917, 1677689, 1761110, 2056522, 2452007, 2771834, 3355378, 4904014, 5141305, 6929585, 8388445, 10282610, 12260035, 13859170, 16776890, 24520070, 31876091, 63752182, 159380455, 318760910]

約数ペア:

[(1, 318760910), (2, 159380455), (5, 63752182), (10, 31876091), (13, 24520070), (19, 16776890), (23, 13859170), (26, 12260035), (31, 10282610), (38, 8388445), (46, 6929585), (62, 5141305), (65, 4904014), (95, 3355378), (115, 2771834), (130, 2452007), (155, 2056522), (181, 1761110), (190, 1677689), (230, 1385917), (247, 1290530), (299, 1066090), (310, 1028261), (362, 880555), (403, 790970), (437, 729430), (494, 645265), (589, 541190), (598, 533045), (713, 447070), (806, 395485), (874, 364715), (905, 352222), (1178, 270595), (1235, 258106), (1426, 223535), (1495, 213218), (1810, 176111), (2015, 158194), (2185, 145886), (2353, 135470), (2470, 129053), (2945, 108238), (2990, 106609), (3439, 92690), (3565, 89414), (4030, 79097), (4163, 76570), (4370, 72943), (4706, 67735), (5611, 56810), (5681, 56110), (5890, 54119), (6878, 46345), (7130, 44707), (7657, 41630), (8326, 38285), (9269, 34390), (11222, 28405), (11362, 28055), (11765, 27094), (13547, 23530), (15314, 20815), (17195, 18538)]