311932040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2609}}^1$

素因数の和:2695

約数の個数: 96

約数和(自身を含む): 830136600

約数和(自身を除く): 518204560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 610, 854, 980, 1220, 1708, 1960, 2135, 2440, 2609, 2989, 3416, 4270, 5218, 5978, 8540, 10436, 11956, 13045, 14945, 17080, 18263, 20872, 23912, 26090, 29890, 36526, 52180, 59780, 73052, 91315, 104360, 119560, 127841, 146104, 159149, 182630, 255682, 318298, 365260, 511364, 636596, 639205, 730520, 795745, 1022728, 1114043, 1273192, 1278410, 1591490, 2228086, 2556820, 3182980, 4456172, 5113640, 5570215, 6365960, 7798301, 8912344, 11140430, 15596602, 22280860, 31193204, 38991505, 44561720, 62386408, 77983010, 155966020, 311932040]

約数ペア:

[(1, 311932040), (2, 155966020), (4, 77983010), (5, 62386408), (7, 44561720), (8, 38991505), (10, 31193204), (14, 22280860), (20, 15596602), (28, 11140430), (35, 8912344), (40, 7798301), (49, 6365960), (56, 5570215), (61, 5113640), (70, 4456172), (98, 3182980), (122, 2556820), (140, 2228086), (196, 1591490), (244, 1278410), (245, 1273192), (280, 1114043), (305, 1022728), (392, 795745), (427, 730520), (488, 639205), (490, 636596), (610, 511364), (854, 365260), (980, 318298), (1220, 255682), (1708, 182630), (1960, 159149), (2135, 146104), (2440, 127841), (2609, 119560), (2989, 104360), (3416, 91315), (4270, 73052), (5218, 59780), (5978, 52180), (8540, 36526), (10436, 29890), (11956, 26090), (13045, 23912), (14945, 20872), (17080, 18263)]