1223643700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{28001}}^1$

素因数の和:28057

約数の個数: 72

約数和(自身を含む): 2916688320

約数和(自身を除く): 1693044620

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 4370, 8740, 10925, 21850, 28001, 43700, 56002, 112004, 140005, 280010, 532019, 560020, 644023, 700025, 1064038, 1288046, 1400050, 2128076, 2576092, 2660095, 2800100, 3220115, 5320190, 6440230, 10640380, 12236437, 12880460, 13300475, 16100575, 24472874, 26600950, 32201150, 48945748, 53201900, 61182185, 64402300, 122364370, 244728740, 305910925, 611821850, 1223643700]

約数ペア:

[(1, 1223643700), (2, 611821850), (4, 305910925), (5, 244728740), (10, 122364370), (19, 64402300), (20, 61182185), (23, 53201900), (25, 48945748), (38, 32201150), (46, 26600950), (50, 24472874), (76, 16100575), (92, 13300475), (95, 12880460), (100, 12236437), (115, 10640380), (190, 6440230), (230, 5320190), (380, 3220115), (437, 2800100), (460, 2660095), (475, 2576092), (575, 2128076), (874, 1400050), (950, 1288046), (1150, 1064038), (1748, 700025), (1900, 644023), (2185, 560020), (2300, 532019), (4370, 280010), (8740, 140005), (10925, 112004), (21850, 56002), (28001, 43700)]