7975044220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{17761}}^1$

素因数の和:17951

約数の個数: 96

約数和(自身を含む): 19801930176

約数和(自身を除く): 11826885956

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 157, 220, 260, 286, 314, 572, 628, 715, 785, 1430, 1570, 1727, 2041, 2860, 3140, 3454, 4082, 6908, 8164, 8635, 10205, 17270, 17761, 20410, 22451, 34540, 35522, 40820, 44902, 71044, 88805, 89804, 112255, 177610, 195371, 224510, 230893, 355220, 390742, 449020, 461786, 781484, 923572, 976855, 1154465, 1953710, 2308930, 2539823, 2788477, 3907420, 4617860, 5079646, 5576954, 10159292, 11153908, 12699115, 13942385, 25398230, 27884770, 30673247, 36250201, 50796460, 55769540, 61346494, 72500402, 122692988, 145000804, 153366235, 181251005, 306732470, 362502010, 398752211, 613464940, 725004020, 797504422, 1595008844, 1993761055, 3987522110, 7975044220]

約数ペア:

[(1, 7975044220), (2, 3987522110), (4, 1993761055), (5, 1595008844), (10, 797504422), (11, 725004020), (13, 613464940), (20, 398752211), (22, 362502010), (26, 306732470), (44, 181251005), (52, 153366235), (55, 145000804), (65, 122692988), (110, 72500402), (130, 61346494), (143, 55769540), (157, 50796460), (220, 36250201), (260, 30673247), (286, 27884770), (314, 25398230), (572, 13942385), (628, 12699115), (715, 11153908), (785, 10159292), (1430, 5576954), (1570, 5079646), (1727, 4617860), (2041, 3907420), (2860, 2788477), (3140, 2539823), (3454, 2308930), (4082, 1953710), (6908, 1154465), (8164, 976855), (8635, 923572), (10205, 781484), (17270, 461786), (17761, 449020), (20410, 390742), (22451, 355220), (34540, 230893), (35522, 224510), (40820, 195371), (44902, 177610), (71044, 112255), (88805, 89804)]