28273500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 91535808

約数和(自身を除く): 63262308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 103, 122, 125, 150, 180, 183, 206, 225, 244, 250, 300, 305, 309, 366, 375, 412, 450, 500, 515, 549, 610, 618, 732, 750, 900, 915, 927, 1030, 1098, 1125, 1220, 1236, 1500, 1525, 1545, 1830, 1854, 2060, 2196, 2250, 2575, 2745, 3050, 3090, 3660, 3708, 4500, 4575, 4635, 5150, 5490, 6100, 6180, 6283, 7625, 7725, 9150, 9270, 10300, 10980, 12566, 12875, 13725, 15250, 15450, 18300, 18540, 18849, 22875, 23175, 25132, 25750, 27450, 30500, 30900, 31415, 37698, 38625, 45750, 46350, 51500, 54900, 56547, 62830, 68625, 75396, 77250, 91500, 92700, 94245, 113094, 115875, 125660, 137250, 154500, 157075, 188490, 226188, 231750, 274500, 282735, 314150, 376980, 463500, 471225, 565470, 628300, 785375, 942450, 1130940, 1413675, 1570750, 1884900, 2356125, 2827350, 3141500, 4712250, 5654700, 7068375, 9424500, 14136750, 28273500]

約数ペア:

[(1, 28273500), (2, 14136750), (3, 9424500), (4, 7068375), (5, 5654700), (6, 4712250), (9, 3141500), (10, 2827350), (12, 2356125), (15, 1884900), (18, 1570750), (20, 1413675), (25, 1130940), (30, 942450), (36, 785375), (45, 628300), (50, 565470), (60, 471225), (61, 463500), (75, 376980), (90, 314150), (100, 282735), (103, 274500), (122, 231750), (125, 226188), (150, 188490), (180, 157075), (183, 154500), (206, 137250), (225, 125660), (244, 115875), (250, 113094), (300, 94245), (305, 92700), (309, 91500), (366, 77250), (375, 75396), (412, 68625), (450, 62830), (500, 56547), (515, 54900), (549, 51500), (610, 46350), (618, 45750), (732, 38625), (750, 37698), (900, 31415), (915, 30900), (927, 30500), (1030, 27450), (1098, 25750), (1125, 25132), (1220, 23175), (1236, 22875), (1500, 18849), (1525, 18540), (1545, 18300), (1830, 15450), (1854, 15250), (2060, 13725), (2196, 12875), (2250, 12566), (2575, 10980), (2745, 10300), (3050, 9270), (3090, 9150), (3660, 7725), (3708, 7625), (4500, 6283), (4575, 6180), (4635, 6100), (5150, 5490)]