1090004020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{35879}}^1$

素因数の和:35933

約数の個数: 72

約数和(自身を含む): 2748695040

約数和(自身を除く): 1658691020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 35879, 71758, 143516, 179395, 251153, 358790, 502306, 717580, 1004612, 1112249, 1255765, 1758071, 2224498, 2511530, 3516142, 4448996, 5023060, 5561245, 7032284, 7785743, 8790355, 11122490, 15571486, 17580710, 22244980, 31142972, 35161420, 38928715, 54500201, 77857430, 109000402, 155714860, 218000804, 272501005, 545002010, 1090004020]

約数ペア:

[(1, 1090004020), (2, 545002010), (4, 272501005), (5, 218000804), (7, 155714860), (10, 109000402), (14, 77857430), (20, 54500201), (28, 38928715), (31, 35161420), (35, 31142972), (49, 22244980), (62, 17580710), (70, 15571486), (98, 11122490), (124, 8790355), (140, 7785743), (155, 7032284), (196, 5561245), (217, 5023060), (245, 4448996), (310, 3516142), (434, 2511530), (490, 2224498), (620, 1758071), (868, 1255765), (980, 1112249), (1085, 1004612), (1519, 717580), (2170, 502306), (3038, 358790), (4340, 251153), (6076, 179395), (7595, 143516), (15190, 71758), (30380, 35879)]