259440896

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 642143040

約数和(自身を除く): 382702144

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 64, 76, 88, 104, 128, 143, 152, 176, 208, 209, 247, 256, 286, 304, 352, 373, 416, 418, 494, 572, 608, 704, 746, 832, 836, 988, 1144, 1216, 1408, 1492, 1664, 1672, 1976, 2288, 2432, 2717, 2816, 2984, 3328, 3344, 3952, 4103, 4576, 4849, 4864, 5434, 5968, 6688, 7087, 7904, 8206, 9152, 9698, 10868, 11936, 13376, 14174, 15808, 16412, 18304, 19396, 21736, 23872, 26752, 28348, 31616, 32824, 36608, 38792, 43472, 47744, 53339, 53504, 56696, 63232, 65648, 77584, 77957, 86944, 92131, 95488, 106678, 113392, 131296, 155168, 155914, 173888, 184262, 213356, 226784, 262592, 310336, 311828, 347776, 368524, 426712, 453568, 525184, 620672, 623656, 695552, 737048, 853424, 907136, 1013441, 1050368, 1241344, 1247312, 1474096, 1706848, 1814272, 2026882, 2494624, 2948192, 3413696, 4053764, 4989248, 5896384, 6827392, 8107528, 9978496, 11792768, 13654784, 16215056, 19956992, 23585536, 32430112, 64860224, 129720448, 259440896]

約数ペア:

[(1, 259440896), (2, 129720448), (4, 64860224), (8, 32430112), (11, 23585536), (13, 19956992), (16, 16215056), (19, 13654784), (22, 11792768), (26, 9978496), (32, 8107528), (38, 6827392), (44, 5896384), (52, 4989248), (64, 4053764), (76, 3413696), (88, 2948192), (104, 2494624), (128, 2026882), (143, 1814272), (152, 1706848), (176, 1474096), (208, 1247312), (209, 1241344), (247, 1050368), (256, 1013441), (286, 907136), (304, 853424), (352, 737048), (373, 695552), (416, 623656), (418, 620672), (494, 525184), (572, 453568), (608, 426712), (704, 368524), (746, 347776), (832, 311828), (836, 310336), (988, 262592), (1144, 226784), (1216, 213356), (1408, 184262), (1492, 173888), (1664, 155914), (1672, 155168), (1976, 131296), (2288, 113392), (2432, 106678), (2717, 95488), (2816, 92131), (2984, 86944), (3328, 77957), (3344, 77584), (3952, 65648), (4103, 63232), (4576, 56696), (4849, 53504), (4864, 53339), (5434, 47744), (5968, 43472), (6688, 38792), (7087, 36608), (7904, 32824), (8206, 31616), (9152, 28348), (9698, 26752), (10868, 23872), (11936, 21736), (13376, 19396), (14174, 18304), (15808, 16412)]