128600200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 309980160

約数和(自身を除く): 181379960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 83, 100, 122, 127, 166, 200, 244, 254, 305, 332, 415, 488, 508, 610, 635, 664, 830, 1016, 1220, 1270, 1525, 1660, 2075, 2440, 2540, 3050, 3175, 3320, 4150, 5063, 5080, 6100, 6350, 7747, 8300, 10126, 10541, 12200, 12700, 15494, 16600, 20252, 21082, 25315, 25400, 30988, 38735, 40504, 42164, 50630, 52705, 61976, 77470, 84328, 101260, 105410, 126575, 154940, 193675, 202520, 210820, 253150, 263525, 309880, 387350, 421640, 506300, 527050, 643001, 774700, 1012600, 1054100, 1286002, 1549400, 2108200, 2572004, 3215005, 5144008, 6430010, 12860020, 16075025, 25720040, 32150050, 64300100, 128600200]

約数ペア:

[(1, 128600200), (2, 64300100), (4, 32150050), (5, 25720040), (8, 16075025), (10, 12860020), (20, 6430010), (25, 5144008), (40, 3215005), (50, 2572004), (61, 2108200), (83, 1549400), (100, 1286002), (122, 1054100), (127, 1012600), (166, 774700), (200, 643001), (244, 527050), (254, 506300), (305, 421640), (332, 387350), (415, 309880), (488, 263525), (508, 253150), (610, 210820), (635, 202520), (664, 193675), (830, 154940), (1016, 126575), (1220, 105410), (1270, 101260), (1525, 84328), (1660, 77470), (2075, 61976), (2440, 52705), (2540, 50630), (3050, 42164), (3175, 40504), (3320, 38735), (4150, 30988), (5063, 25400), (5080, 25315), (6100, 21082), (6350, 20252), (7747, 16600), (8300, 15494), (10126, 12700), (10541, 12200)]