25139940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 86873472

約数和(自身を除く): 61733532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 503, 510, 588, 595, 714, 735, 833, 980, 1006, 1020, 1190, 1428, 1470, 1509, 1666, 1785, 2012, 2380, 2499, 2515, 2940, 3018, 3332, 3521, 3570, 4165, 4998, 5030, 6036, 7042, 7140, 7545, 8330, 8551, 9996, 10060, 10563, 12495, 14084, 15090, 16660, 17102, 17605, 21126, 24647, 24990, 25653, 30180, 34204, 35210, 42252, 42755, 49294, 49980, 51306, 52815, 59857, 70420, 73941, 85510, 98588, 102612, 105630, 119714, 123235, 128265, 147882, 171020, 179571, 211260, 239428, 246470, 256530, 295764, 299285, 359142, 369705, 418999, 492940, 513060, 598570, 718284, 739410, 837998, 897855, 1197140, 1256997, 1478820, 1675996, 1795710, 2094995, 2513994, 3591420, 4189990, 5027988, 6284985, 8379980, 12569970, 25139940]

約数ペア:

[(1, 25139940), (2, 12569970), (3, 8379980), (4, 6284985), (5, 5027988), (6, 4189990), (7, 3591420), (10, 2513994), (12, 2094995), (14, 1795710), (15, 1675996), (17, 1478820), (20, 1256997), (21, 1197140), (28, 897855), (30, 837998), (34, 739410), (35, 718284), (42, 598570), (49, 513060), (51, 492940), (60, 418999), (68, 369705), (70, 359142), (84, 299285), (85, 295764), (98, 256530), (102, 246470), (105, 239428), (119, 211260), (140, 179571), (147, 171020), (170, 147882), (196, 128265), (204, 123235), (210, 119714), (238, 105630), (245, 102612), (255, 98588), (294, 85510), (340, 73941), (357, 70420), (420, 59857), (476, 52815), (490, 51306), (503, 49980), (510, 49294), (588, 42755), (595, 42252), (714, 35210), (735, 34204), (833, 30180), (980, 25653), (1006, 24990), (1020, 24647), (1190, 21126), (1428, 17605), (1470, 17102), (1509, 16660), (1666, 15090), (1785, 14084), (2012, 12495), (2380, 10563), (2499, 10060), (2515, 9996), (2940, 8551), (3018, 8330), (3332, 7545), (3521, 7140), (3570, 7042), (4165, 6036), (4998, 5030)]