509642480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2442

約数の個数: 80

約数和(自身を含む): 1237420800

約数和(自身を除く): 727778320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 445, 496, 620, 712, 890, 1240, 1424, 1780, 2309, 2480, 2759, 3560, 4618, 5518, 7120, 9236, 11036, 11545, 13795, 18472, 22072, 23090, 27590, 36944, 44144, 46180, 55180, 71579, 92360, 110360, 143158, 184720, 205501, 220720, 286316, 357895, 411002, 572632, 715790, 822004, 1027505, 1145264, 1431580, 1644008, 2055010, 2863160, 3288016, 4110020, 5726320, 6370531, 8220040, 12741062, 16440080, 25482124, 31852655, 50964248, 63705310, 101928496, 127410620, 254821240, 509642480]

約数ペア:

[(1, 509642480), (2, 254821240), (4, 127410620), (5, 101928496), (8, 63705310), (10, 50964248), (16, 31852655), (20, 25482124), (31, 16440080), (40, 12741062), (62, 8220040), (80, 6370531), (89, 5726320), (124, 4110020), (155, 3288016), (178, 2863160), (248, 2055010), (310, 1644008), (356, 1431580), (445, 1145264), (496, 1027505), (620, 822004), (712, 715790), (890, 572632), (1240, 411002), (1424, 357895), (1780, 286316), (2309, 220720), (2480, 205501), (2759, 184720), (3560, 143158), (4618, 110360), (5518, 92360), (7120, 71579), (9236, 55180), (11036, 46180), (11545, 44144), (13795, 36944), (18472, 27590), (22072, 23090)]