25196850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 81631680

約数和(自身を除く): 56434830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 75, 90, 95, 105, 114, 126, 133, 150, 171, 175, 190, 210, 225, 266, 285, 315, 342, 350, 399, 421, 450, 475, 525, 570, 630, 665, 798, 842, 855, 950, 1050, 1197, 1263, 1330, 1425, 1575, 1710, 1995, 2105, 2394, 2526, 2850, 2947, 3150, 3325, 3789, 3990, 4210, 4275, 5894, 5985, 6315, 6650, 7578, 7999, 8550, 8841, 9975, 10525, 11970, 12630, 14735, 15998, 17682, 18945, 19950, 21050, 23997, 26523, 29470, 29925, 31575, 37890, 39995, 44205, 47994, 53046, 55993, 59850, 63150, 71991, 73675, 79990, 88410, 94725, 111986, 119985, 132615, 143982, 147350, 167979, 189450, 199975, 221025, 239970, 265230, 279965, 335958, 359955, 399950, 442050, 503937, 559930, 599925, 663075, 719910, 839895, 1007874, 1199850, 1326150, 1399825, 1679790, 1799775, 2519685, 2799650, 3599550, 4199475, 5039370, 8398950, 12598425, 25196850]

約数ペア:

[(1, 25196850), (2, 12598425), (3, 8398950), (5, 5039370), (6, 4199475), (7, 3599550), (9, 2799650), (10, 2519685), (14, 1799775), (15, 1679790), (18, 1399825), (19, 1326150), (21, 1199850), (25, 1007874), (30, 839895), (35, 719910), (38, 663075), (42, 599925), (45, 559930), (50, 503937), (57, 442050), (63, 399950), (70, 359955), (75, 335958), (90, 279965), (95, 265230), (105, 239970), (114, 221025), (126, 199975), (133, 189450), (150, 167979), (171, 147350), (175, 143982), (190, 132615), (210, 119985), (225, 111986), (266, 94725), (285, 88410), (315, 79990), (342, 73675), (350, 71991), (399, 63150), (421, 59850), (450, 55993), (475, 53046), (525, 47994), (570, 44205), (630, 39995), (665, 37890), (798, 31575), (842, 29925), (855, 29470), (950, 26523), (1050, 23997), (1197, 21050), (1263, 19950), (1330, 18945), (1425, 17682), (1575, 15998), (1710, 14735), (1995, 12630), (2105, 11970), (2394, 10525), (2526, 9975), (2850, 8841), (2947, 8550), (3150, 7999), (3325, 7578), (3789, 6650), (3990, 6315), (4210, 5985), (4275, 5894)]