399115872

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:805

約数の個数: 144

約数和(自身を含む): 1199409120

約数和(自身を除く): 800293248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 89, 92, 96, 138, 144, 178, 184, 207, 267, 276, 288, 356, 368, 414, 534, 552, 677, 712, 736, 801, 828, 1068, 1104, 1354, 1424, 1602, 1656, 2031, 2047, 2136, 2208, 2708, 2848, 3204, 3312, 4062, 4094, 4272, 5416, 6093, 6141, 6408, 6624, 8124, 8188, 8544, 10832, 12186, 12282, 12816, 15571, 16248, 16376, 18423, 21664, 24372, 24564, 25632, 31142, 32496, 32752, 36846, 46713, 48744, 49128, 60253, 62284, 64992, 65504, 73692, 93426, 97488, 98256, 120506, 124568, 140139, 147384, 180759, 186852, 194976, 196512, 241012, 249136, 280278, 294768, 361518, 373704, 482024, 498272, 542277, 560556, 589536, 723036, 747408, 964048, 1084554, 1121112, 1385819, 1446072, 1494816, 1928096, 2169108, 2242224, 2771638, 2892144, 4157457, 4338216, 4484448, 5543276, 5784288, 8314914, 8676432, 11086552, 12472371, 16629828, 17352864, 22173104, 24944742, 33259656, 44346208, 49889484, 66519312, 99778968, 133038624, 199557936, 399115872]

約数ペア:

[(1, 399115872), (2, 199557936), (3, 133038624), (4, 99778968), (6, 66519312), (8, 49889484), (9, 44346208), (12, 33259656), (16, 24944742), (18, 22173104), (23, 17352864), (24, 16629828), (32, 12472371), (36, 11086552), (46, 8676432), (48, 8314914), (69, 5784288), (72, 5543276), (89, 4484448), (92, 4338216), (96, 4157457), (138, 2892144), (144, 2771638), (178, 2242224), (184, 2169108), (207, 1928096), (267, 1494816), (276, 1446072), (288, 1385819), (356, 1121112), (368, 1084554), (414, 964048), (534, 747408), (552, 723036), (677, 589536), (712, 560556), (736, 542277), (801, 498272), (828, 482024), (1068, 373704), (1104, 361518), (1354, 294768), (1424, 280278), (1602, 249136), (1656, 241012), (2031, 196512), (2047, 194976), (2136, 186852), (2208, 180759), (2708, 147384), (2848, 140139), (3204, 124568), (3312, 120506), (4062, 98256), (4094, 97488), (4272, 93426), (5416, 73692), (6093, 65504), (6141, 64992), (6408, 62284), (6624, 60253), (8124, 49128), (8188, 48744), (8544, 46713), (10832, 36846), (12186, 32752), (12282, 32496), (12816, 31142), (15571, 25632), (16248, 24564), (16376, 24372), (18423, 21664)]