420210456

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 1131356160

約数和(自身を除く): 711145704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 61, 62, 93, 94, 122, 124, 141, 183, 186, 188, 197, 244, 248, 282, 366, 372, 376, 394, 488, 564, 591, 732, 744, 788, 1128, 1182, 1457, 1464, 1576, 1891, 2364, 2867, 2914, 3782, 4371, 4728, 5673, 5734, 5828, 6107, 7564, 8601, 8742, 9259, 11346, 11468, 11656, 12017, 12214, 15128, 17202, 17484, 18321, 18518, 22692, 22936, 24034, 24428, 27777, 34404, 34968, 36051, 36642, 37036, 45384, 48068, 48856, 55554, 68808, 72102, 73284, 74072, 88877, 96136, 111108, 144204, 146568, 177754, 222216, 266631, 287029, 288408, 355508, 372527, 533262, 564799, 574058, 711016, 745054, 861087, 1066524, 1117581, 1129598, 1148116, 1490108, 1694397, 1722174, 2133048, 2235162, 2259196, 2296232, 2980216, 3388794, 3444348, 4470324, 4518392, 6777588, 6888696, 8940648, 13555176, 17508769, 35017538, 52526307, 70035076, 105052614, 140070152, 210105228, 420210456]

約数ペア:

[(1, 420210456), (2, 210105228), (3, 140070152), (4, 105052614), (6, 70035076), (8, 52526307), (12, 35017538), (24, 17508769), (31, 13555176), (47, 8940648), (61, 6888696), (62, 6777588), (93, 4518392), (94, 4470324), (122, 3444348), (124, 3388794), (141, 2980216), (183, 2296232), (186, 2259196), (188, 2235162), (197, 2133048), (244, 1722174), (248, 1694397), (282, 1490108), (366, 1148116), (372, 1129598), (376, 1117581), (394, 1066524), (488, 861087), (564, 745054), (591, 711016), (732, 574058), (744, 564799), (788, 533262), (1128, 372527), (1182, 355508), (1457, 288408), (1464, 287029), (1576, 266631), (1891, 222216), (2364, 177754), (2867, 146568), (2914, 144204), (3782, 111108), (4371, 96136), (4728, 88877), (5673, 74072), (5734, 73284), (5828, 72102), (6107, 68808), (7564, 55554), (8601, 48856), (8742, 48068), (9259, 45384), (11346, 37036), (11468, 36642), (11656, 36051), (12017, 34968), (12214, 34404), (15128, 27777), (17202, 24428), (17484, 24034), (18321, 22936), (18518, 22692)]