201880016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2284

約数の個数: 80

約数和(自身を含む): 462887040

約数和(自身を除く): 261007024

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 208, 247, 299, 304, 368, 437, 494, 598, 874, 988, 1196, 1748, 1976, 2221, 2392, 3496, 3952, 4442, 4784, 5681, 6992, 8884, 11362, 17768, 22724, 28873, 35536, 42199, 45448, 51083, 57746, 84398, 90896, 102166, 115492, 168796, 204332, 230984, 337592, 408664, 461968, 548587, 664079, 675184, 817328, 970577, 1097174, 1328158, 1941154, 2194348, 2656316, 3882308, 4388696, 5312632, 7764616, 8777392, 10625264, 12617501, 15529232, 25235002, 50470004, 100940008, 201880016]

約数ペア:

[(1, 201880016), (2, 100940008), (4, 50470004), (8, 25235002), (13, 15529232), (16, 12617501), (19, 10625264), (23, 8777392), (26, 7764616), (38, 5312632), (46, 4388696), (52, 3882308), (76, 2656316), (92, 2194348), (104, 1941154), (152, 1328158), (184, 1097174), (208, 970577), (247, 817328), (299, 675184), (304, 664079), (368, 548587), (437, 461968), (494, 408664), (598, 337592), (874, 230984), (988, 204332), (1196, 168796), (1748, 115492), (1976, 102166), (2221, 90896), (2392, 84398), (3496, 57746), (3952, 51083), (4442, 45448), (4784, 42199), (5681, 35536), (6992, 28873), (8884, 22724), (11362, 17768)]