278897757570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2131}}^1\times {\mathrm{6521}}^1$

素因数の和:8888

約数の個数: 96

約数和(自身を含む): 728839448064

約数和(自身を除く): 449941690494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1115, 1338, 2007, 2131, 2230, 3345, 4014, 4262, 6393, 6521, 6690, 10035, 10655, 12786, 13042, 19179, 19563, 20070, 21310, 31965, 32605, 38358, 39126, 58689, 63930, 65210, 95895, 97815, 117378, 191790, 195630, 293445, 475213, 586890, 950426, 1425639, 1454183, 2376065, 2851278, 2908366, 4276917, 4362549, 4752130, 7128195, 7270915, 8553834, 8725098, 13087647, 13896251, 14256390, 14541830, 21384585, 21812745, 26175294, 27792502, 41688753, 42769170, 43625490, 65438235, 69481255, 83377506, 125066259, 130876470, 138962510, 208443765, 250132518, 416887530, 625331295, 1250662590, 3098863973, 6197727946, 9296591919, 15494319865, 18593183838, 27889775757, 30988639730, 46482959595, 55779551514, 92965919190, 139448878785, 278897757570]

約数ペア:

[(1, 278897757570), (2, 139448878785), (3, 92965919190), (5, 55779551514), (6, 46482959595), (9, 30988639730), (10, 27889775757), (15, 18593183838), (18, 15494319865), (30, 9296591919), (45, 6197727946), (90, 3098863973), (223, 1250662590), (446, 625331295), (669, 416887530), (1115, 250132518), (1338, 208443765), (2007, 138962510), (2131, 130876470), (2230, 125066259), (3345, 83377506), (4014, 69481255), (4262, 65438235), (6393, 43625490), (6521, 42769170), (6690, 41688753), (10035, 27792502), (10655, 26175294), (12786, 21812745), (13042, 21384585), (19179, 14541830), (19563, 14256390), (20070, 13896251), (21310, 13087647), (31965, 8725098), (32605, 8553834), (38358, 7270915), (39126, 7128195), (58689, 4752130), (63930, 4362549), (65210, 4276917), (95895, 2908366), (97815, 2851278), (117378, 2376065), (191790, 1454183), (195630, 1425639), (293445, 950426), (475213, 586890)]