100079440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 245520000

約数和(自身を除く): 145440560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 184, 218, 230, 368, 436, 460, 499, 545, 872, 920, 998, 1090, 1744, 1840, 1996, 2180, 2495, 2507, 3992, 4360, 4990, 5014, 7984, 8720, 9980, 10028, 11477, 12535, 19960, 20056, 22954, 25070, 39920, 40112, 45908, 50140, 54391, 57385, 91816, 100280, 108782, 114770, 183632, 200560, 217564, 229540, 271955, 435128, 459080, 543910, 870256, 918160, 1087820, 1250993, 2175640, 2501986, 4351280, 5003972, 6254965, 10007944, 12509930, 20015888, 25019860, 50039720, 100079440]

約数ペア:

[(1, 100079440), (2, 50039720), (4, 25019860), (5, 20015888), (8, 12509930), (10, 10007944), (16, 6254965), (20, 5003972), (23, 4351280), (40, 2501986), (46, 2175640), (80, 1250993), (92, 1087820), (109, 918160), (115, 870256), (184, 543910), (218, 459080), (230, 435128), (368, 271955), (436, 229540), (460, 217564), (499, 200560), (545, 183632), (872, 114770), (920, 108782), (998, 100280), (1090, 91816), (1744, 57385), (1840, 54391), (1996, 50140), (2180, 45908), (2495, 40112), (2507, 39920), (3992, 25070), (4360, 22954), (4990, 20056), (5014, 19960), (7984, 12535), (8720, 11477), (9980, 10028)]