388029320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 1054425600

約数和(自身を除く): 666396280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 89, 92, 115, 140, 161, 178, 184, 230, 280, 322, 356, 445, 460, 623, 644, 677, 712, 805, 890, 920, 1246, 1288, 1354, 1610, 1780, 2047, 2492, 2708, 3115, 3220, 3385, 3560, 4094, 4739, 4984, 5416, 6230, 6440, 6770, 8188, 9478, 10235, 12460, 13540, 14329, 15571, 16376, 18956, 20470, 23695, 24920, 27080, 28658, 31142, 37912, 40940, 47390, 57316, 60253, 62284, 71645, 77855, 81880, 94780, 108997, 114632, 120506, 124568, 143290, 155710, 189560, 217994, 241012, 286580, 301265, 311420, 421771, 435988, 482024, 544985, 573160, 602530, 622840, 843542, 871976, 1089970, 1205060, 1385819, 1687084, 2108855, 2179940, 2410120, 2771638, 3374168, 4217710, 4359880, 5543276, 6929095, 8435420, 9700733, 11086552, 13858190, 16870840, 19401466, 27716380, 38802932, 48503665, 55432760, 77605864, 97007330, 194014660, 388029320]

約数ペア:

[(1, 388029320), (2, 194014660), (4, 97007330), (5, 77605864), (7, 55432760), (8, 48503665), (10, 38802932), (14, 27716380), (20, 19401466), (23, 16870840), (28, 13858190), (35, 11086552), (40, 9700733), (46, 8435420), (56, 6929095), (70, 5543276), (89, 4359880), (92, 4217710), (115, 3374168), (140, 2771638), (161, 2410120), (178, 2179940), (184, 2108855), (230, 1687084), (280, 1385819), (322, 1205060), (356, 1089970), (445, 871976), (460, 843542), (623, 622840), (644, 602530), (677, 573160), (712, 544985), (805, 482024), (890, 435988), (920, 421771), (1246, 311420), (1288, 301265), (1354, 286580), (1610, 241012), (1780, 217994), (2047, 189560), (2492, 155710), (2708, 143290), (3115, 124568), (3220, 120506), (3385, 114632), (3560, 108997), (4094, 94780), (4739, 81880), (4984, 77855), (5416, 71645), (6230, 62284), (6440, 60253), (6770, 57316), (8188, 47390), (9478, 40940), (10235, 37912), (12460, 31142), (13540, 28658), (14329, 27080), (15571, 24920), (16376, 23695), (18956, 20470)]