39981620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 103203072

約数和(自身を除く): 63221452

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 107, 119, 140, 157, 170, 214, 238, 314, 340, 428, 476, 535, 595, 628, 749, 785, 1070, 1099, 1190, 1498, 1570, 1819, 2140, 2198, 2380, 2669, 2996, 3140, 3638, 3745, 4396, 5338, 5495, 7276, 7490, 9095, 10676, 10990, 12733, 13345, 14980, 16799, 18190, 18683, 21980, 25466, 26690, 33598, 36380, 37366, 50932, 53380, 63665, 67196, 74732, 83995, 93415, 117593, 127330, 167990, 186830, 235186, 254660, 285583, 335980, 373660, 470372, 571166, 587965, 1142332, 1175930, 1427915, 1999081, 2351860, 2855830, 3998162, 5711660, 7996324, 9995405, 19990810, 39981620]

約数ペア:

[(1, 39981620), (2, 19990810), (4, 9995405), (5, 7996324), (7, 5711660), (10, 3998162), (14, 2855830), (17, 2351860), (20, 1999081), (28, 1427915), (34, 1175930), (35, 1142332), (68, 587965), (70, 571166), (85, 470372), (107, 373660), (119, 335980), (140, 285583), (157, 254660), (170, 235186), (214, 186830), (238, 167990), (314, 127330), (340, 117593), (428, 93415), (476, 83995), (535, 74732), (595, 67196), (628, 63665), (749, 53380), (785, 50932), (1070, 37366), (1099, 36380), (1190, 33598), (1498, 26690), (1570, 25466), (1819, 21980), (2140, 18683), (2198, 18190), (2380, 16799), (2669, 14980), (2996, 13345), (3140, 12733), (3638, 10990), (3745, 10676), (4396, 9095), (5338, 7490), (5495, 7276)]