57131450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 116359740

約数和(自身を除く): 59228290

約数列:

[1, 2, 5, 10, 25, 29, 31, 41, 50, 58, 62, 82, 145, 155, 205, 290, 310, 410, 725, 775, 899, 961, 1025, 1189, 1271, 1450, 1550, 1798, 1922, 2050, 2378, 2542, 4495, 4805, 5945, 6355, 8990, 9610, 11890, 12710, 22475, 24025, 27869, 29725, 31775, 36859, 39401, 44950, 48050, 55738, 59450, 63550, 73718, 78802, 139345, 184295, 197005, 278690, 368590, 394010, 696725, 921475, 985025, 1142629, 1393450, 1842950, 1970050, 2285258, 5713145, 11426290, 28565725, 57131450]

約数ペア:

[(1, 57131450), (2, 28565725), (5, 11426290), (10, 5713145), (25, 2285258), (29, 1970050), (31, 1842950), (41, 1393450), (50, 1142629), (58, 985025), (62, 921475), (82, 696725), (145, 394010), (155, 368590), (205, 278690), (290, 197005), (310, 184295), (410, 139345), (725, 78802), (775, 73718), (899, 63550), (961, 59450), (1025, 55738), (1189, 48050), (1271, 44950), (1450, 39401), (1550, 36859), (1798, 31775), (1922, 29725), (2050, 27869), (2378, 24025), (2542, 22475), (4495, 12710), (4805, 11890), (5945, 9610), (6355, 8990)]