390380480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2942

約数の個数: 112

約数和(自身を含む): 1080186816

約数和(自身を除く): 689806336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2135, 2240, 2440, 2857, 3416, 3904, 4270, 4880, 5714, 6832, 8540, 9760, 11428, 13664, 14285, 17080, 19520, 19999, 22856, 27328, 28570, 34160, 39998, 45712, 57140, 68320, 79996, 91424, 99995, 114280, 136640, 159992, 174277, 182848, 199990, 228560, 319984, 348554, 399980, 457120, 639968, 697108, 799960, 871385, 914240, 1219939, 1279936, 1394216, 1599920, 1742770, 2439878, 2788432, 3199840, 3485540, 4879756, 5576864, 6099695, 6399680, 6971080, 9759512, 11153728, 12199390, 13942160, 19519024, 24398780, 27884320, 39038048, 48797560, 55768640, 78076096, 97595120, 195190240, 390380480]

約数ペア:

[(1, 390380480), (2, 195190240), (4, 97595120), (5, 78076096), (7, 55768640), (8, 48797560), (10, 39038048), (14, 27884320), (16, 24398780), (20, 19519024), (28, 13942160), (32, 12199390), (35, 11153728), (40, 9759512), (56, 6971080), (61, 6399680), (64, 6099695), (70, 5576864), (80, 4879756), (112, 3485540), (122, 3199840), (140, 2788432), (160, 2439878), (224, 1742770), (244, 1599920), (280, 1394216), (305, 1279936), (320, 1219939), (427, 914240), (448, 871385), (488, 799960), (560, 697108), (610, 639968), (854, 457120), (976, 399980), (1120, 348554), (1220, 319984), (1708, 228560), (1952, 199990), (2135, 182848), (2240, 174277), (2440, 159992), (2857, 136640), (3416, 114280), (3904, 99995), (4270, 91424), (4880, 79996), (5714, 68320), (6832, 57140), (8540, 45712), (9760, 39998), (11428, 34160), (13664, 28570), (14285, 27328), (17080, 22856), (19520, 19999)]