247169100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 761895680

約数和(自身を除く): 514726580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 103, 114, 150, 190, 206, 228, 285, 300, 309, 380, 412, 421, 475, 515, 570, 618, 842, 950, 1030, 1140, 1236, 1263, 1425, 1545, 1684, 1900, 1957, 2060, 2105, 2526, 2575, 2850, 3090, 3914, 4210, 5052, 5150, 5700, 5871, 6180, 6315, 7725, 7828, 7999, 8420, 9785, 10300, 10525, 11742, 12630, 15450, 15998, 19570, 21050, 23484, 23997, 25260, 29355, 30900, 31575, 31996, 39140, 39995, 42100, 43363, 47994, 48925, 58710, 63150, 79990, 86726, 95988, 97850, 117420, 119985, 126300, 130089, 146775, 159980, 173452, 195700, 199975, 216815, 239970, 260178, 293550, 399950, 433630, 479940, 520356, 587100, 599925, 650445, 799900, 823897, 867260, 1084075, 1199850, 1300890, 1647794, 2168150, 2399700, 2471691, 2601780, 3252225, 3295588, 4119485, 4336300, 4943382, 6504450, 8238970, 9886764, 12358455, 13008900, 16477940, 20597425, 24716910, 41194850, 49433820, 61792275, 82389700, 123584550, 247169100]

約数ペア:

[(1, 247169100), (2, 123584550), (3, 82389700), (4, 61792275), (5, 49433820), (6, 41194850), (10, 24716910), (12, 20597425), (15, 16477940), (19, 13008900), (20, 12358455), (25, 9886764), (30, 8238970), (38, 6504450), (50, 4943382), (57, 4336300), (60, 4119485), (75, 3295588), (76, 3252225), (95, 2601780), (100, 2471691), (103, 2399700), (114, 2168150), (150, 1647794), (190, 1300890), (206, 1199850), (228, 1084075), (285, 867260), (300, 823897), (309, 799900), (380, 650445), (412, 599925), (421, 587100), (475, 520356), (515, 479940), (570, 433630), (618, 399950), (842, 293550), (950, 260178), (1030, 239970), (1140, 216815), (1236, 199975), (1263, 195700), (1425, 173452), (1545, 159980), (1684, 146775), (1900, 130089), (1957, 126300), (2060, 119985), (2105, 117420), (2526, 97850), (2575, 95988), (2850, 86726), (3090, 79990), (3914, 63150), (4210, 58710), (5052, 48925), (5150, 47994), (5700, 43363), (5871, 42100), (6180, 39995), (6315, 39140), (7725, 31996), (7828, 31575), (7999, 30900), (8420, 29355), (9785, 25260), (10300, 23997), (10525, 23484), (11742, 21050), (12630, 19570), (15450, 15998)]