390670525

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 602854272

約数和(自身を除く): 212183747

約数列:

[1, 5, 7, 23, 25, 31, 35, 101, 115, 155, 161, 175, 217, 505, 575, 707, 713, 775, 805, 961, 1085, 2323, 2525, 3131, 3535, 3565, 4025, 4805, 4991, 5425, 6727, 11615, 15655, 16261, 17675, 17825, 21917, 22103, 24025, 24955, 33635, 58075, 72013, 78275, 81305, 97061, 109585, 110515, 124775, 154721, 168175, 360065, 406525, 485305, 504091, 547925, 552575, 679427, 773605, 1800325, 2232403, 2426525, 2520455, 3397135, 3868025, 11162015, 12602275, 15626821, 16985675, 55810075, 78134105, 390670525]

約数ペア:

[(1, 390670525), (5, 78134105), (7, 55810075), (23, 16985675), (25, 15626821), (31, 12602275), (35, 11162015), (101, 3868025), (115, 3397135), (155, 2520455), (161, 2426525), (175, 2232403), (217, 1800325), (505, 773605), (575, 679427), (707, 552575), (713, 547925), (775, 504091), (805, 485305), (961, 406525), (1085, 360065), (2323, 168175), (2525, 154721), (3131, 124775), (3535, 110515), (3565, 109585), (4025, 97061), (4805, 81305), (4991, 78275), (5425, 72013), (6727, 58075), (11615, 33635), (15655, 24955), (16261, 24025), (17675, 22103), (17825, 21917)]