31019940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3517}}^1$

素因数の和:3546

約数の個数: 108

約数和(自身を含む): 109487196

約数和(自身を除く): 78467256

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3517, 4410, 7034, 8820, 10551, 14068, 17585, 21102, 24619, 31653, 35170, 42204, 49238, 52755, 63306, 70340, 73857, 98476, 105510, 123095, 126612, 147714, 158265, 172333, 211020, 221571, 246190, 295428, 316530, 344666, 369285, 443142, 492380, 516999, 633060, 689332, 738570, 861665, 886284, 1033998, 1107855, 1477140, 1550997, 1723330, 2067996, 2215710, 2584995, 3101994, 3446660, 4431420, 5169990, 6203988, 7754985, 10339980, 15509970, 31019940]

約数ペア:

[(1, 31019940), (2, 15509970), (3, 10339980), (4, 7754985), (5, 6203988), (6, 5169990), (7, 4431420), (9, 3446660), (10, 3101994), (12, 2584995), (14, 2215710), (15, 2067996), (18, 1723330), (20, 1550997), (21, 1477140), (28, 1107855), (30, 1033998), (35, 886284), (36, 861665), (42, 738570), (45, 689332), (49, 633060), (60, 516999), (63, 492380), (70, 443142), (84, 369285), (90, 344666), (98, 316530), (105, 295428), (126, 246190), (140, 221571), (147, 211020), (180, 172333), (196, 158265), (210, 147714), (245, 126612), (252, 123095), (294, 105510), (315, 98476), (420, 73857), (441, 70340), (490, 63306), (588, 52755), (630, 49238), (735, 42204), (882, 35170), (980, 31653), (1260, 24619), (1470, 21102), (1764, 17585), (2205, 14068), (2940, 10551), (3517, 8820), (4410, 7034)]