24940020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 86184000

約数和(自身を除く): 61243980

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, 499, 510, 588, 595, 714, 735, 833, 980, 998, 1020, 1190, 1428, 1470, 1497, 1666, 1785, 1996, 2380, 2495, 2499, 2940, 2994, 3332, 3493, 3570, 4165, 4990, 4998, 5988, 6986, 7140, 7485, 8330, 8483, 9980, 9996, 10479, 12495, 13972, 14970, 16660, 16966, 17465, 20958, 24451, 24990, 25449, 29940, 33932, 34930, 41916, 42415, 48902, 49980, 50898, 52395, 59381, 69860, 73353, 84830, 97804, 101796, 104790, 118762, 122255, 127245, 146706, 169660, 178143, 209580, 237524, 244510, 254490, 293412, 296905, 356286, 366765, 415667, 489020, 508980, 593810, 712572, 733530, 831334, 890715, 1187620, 1247001, 1467060, 1662668, 1781430, 2078335, 2494002, 3562860, 4156670, 4988004, 6235005, 8313340, 12470010, 24940020]

約数ペア:

[(1, 24940020), (2, 12470010), (3, 8313340), (4, 6235005), (5, 4988004), (6, 4156670), (7, 3562860), (10, 2494002), (12, 2078335), (14, 1781430), (15, 1662668), (17, 1467060), (20, 1247001), (21, 1187620), (28, 890715), (30, 831334), (34, 733530), (35, 712572), (42, 593810), (49, 508980), (51, 489020), (60, 415667), (68, 366765), (70, 356286), (84, 296905), (85, 293412), (98, 254490), (102, 244510), (105, 237524), (119, 209580), (140, 178143), (147, 169660), (170, 146706), (196, 127245), (204, 122255), (210, 118762), (238, 104790), (245, 101796), (255, 97804), (294, 84830), (340, 73353), (357, 69860), (420, 59381), (476, 52395), (490, 50898), (499, 49980), (510, 48902), (588, 42415), (595, 41916), (714, 34930), (735, 33932), (833, 29940), (980, 25449), (998, 24990), (1020, 24451), (1190, 20958), (1428, 17465), (1470, 16966), (1497, 16660), (1666, 14970), (1785, 13972), (1996, 12495), (2380, 10479), (2495, 9996), (2499, 9980), (2940, 8483), (2994, 8330), (3332, 7485), (3493, 7140), (3570, 6986), (4165, 5988), (4990, 4998)]