550258125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 990133056

約数和(自身を除く): 439874931

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 125, 183, 255, 283, 305, 375, 425, 625, 849, 915, 1037, 1275, 1415, 1525, 1875, 2125, 3111, 4245, 4575, 4811, 5185, 6375, 7075, 7625, 10625, 14433, 15555, 17263, 21225, 22875, 24055, 25925, 31875, 35375, 38125, 51789, 72165, 77775, 86315, 106125, 114375, 120275, 129625, 176875, 258945, 293471, 360825, 388875, 431575, 530625, 601375, 648125, 880413, 1294725, 1467355, 1804125, 1944375, 2157875, 3006875, 4402065, 6473625, 7336775, 9020625, 10789375, 22010325, 32368125, 36683875, 110051625, 183419375, 550258125]

約数ペア:

[(1, 550258125), (3, 183419375), (5, 110051625), (15, 36683875), (17, 32368125), (25, 22010325), (51, 10789375), (61, 9020625), (75, 7336775), (85, 6473625), (125, 4402065), (183, 3006875), (255, 2157875), (283, 1944375), (305, 1804125), (375, 1467355), (425, 1294725), (625, 880413), (849, 648125), (915, 601375), (1037, 530625), (1275, 431575), (1415, 388875), (1525, 360825), (1875, 293471), (2125, 258945), (3111, 176875), (4245, 129625), (4575, 120275), (4811, 114375), (5185, 106125), (6375, 86315), (7075, 77775), (7625, 72165), (10625, 51789), (14433, 38125), (15555, 35375), (17263, 31875), (21225, 25925), (22875, 24055)]