129720448

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 128

約数和(自身を含む): 320443200

約数和(自身を除く): 190722752

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, 286, 304, 352, 373, 416, 418, 494, 572, 608, 704, 746, 832, 836, 988, 1144, 1216, 1408, 1492, 1664, 1672, 1976, 2288, 2432, 2717, 2984, 3344, 3952, 4103, 4576, 4849, 5434, 5968, 6688, 7087, 7904, 8206, 9152, 9698, 10868, 11936, 13376, 14174, 15808, 16412, 18304, 19396, 21736, 23872, 26752, 28348, 31616, 32824, 38792, 43472, 47744, 53339, 56696, 65648, 77584, 77957, 86944, 92131, 106678, 113392, 131296, 155168, 155914, 173888, 184262, 213356, 226784, 262592, 310336, 311828, 347776, 368524, 426712, 453568, 525184, 620672, 623656, 737048, 853424, 907136, 1013441, 1247312, 1474096, 1706848, 2026882, 2494624, 2948192, 3413696, 4053764, 4989248, 5896384, 6827392, 8107528, 9978496, 11792768, 16215056, 32430112, 64860224, 129720448]

約数ペア:

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