290981916

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^2\times {\mathrm{157}}^1$

素因数の和:432

約数の個数: 72

約数和(自身を含む): 765042320

約数和(自身を除く): 474060404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 157, 262, 314, 393, 471, 524, 628, 786, 942, 1179, 1413, 1572, 1884, 2358, 2826, 3537, 4239, 4716, 5652, 7074, 8478, 14148, 16956, 17161, 20567, 34322, 41134, 51483, 61701, 68644, 82268, 102966, 123402, 154449, 185103, 205932, 246804, 308898, 370206, 463347, 555309, 617796, 740412, 926694, 1110618, 1853388, 2221236, 2694277, 5388554, 8082831, 10777108, 16165662, 24248493, 32331324, 48496986, 72745479, 96993972, 145490958, 290981916]

約数ペア:

[(1, 290981916), (2, 145490958), (3, 96993972), (4, 72745479), (6, 48496986), (9, 32331324), (12, 24248493), (18, 16165662), (27, 10777108), (36, 8082831), (54, 5388554), (108, 2694277), (131, 2221236), (157, 1853388), (262, 1110618), (314, 926694), (393, 740412), (471, 617796), (524, 555309), (628, 463347), (786, 370206), (942, 308898), (1179, 246804), (1413, 205932), (1572, 185103), (1884, 154449), (2358, 123402), (2826, 102966), (3537, 82268), (4239, 68644), (4716, 61701), (5652, 51483), (7074, 41134), (8478, 34322), (14148, 20567), (16956, 17161)]