162953420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 400238496

約数和(自身を除く): 237285076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 490, 514, 647, 980, 1028, 1285, 1294, 1799, 2570, 2588, 3235, 3598, 4529, 5140, 6470, 7196, 8995, 9058, 12593, 12940, 17990, 18116, 22645, 25186, 31703, 35980, 45290, 50372, 62965, 63406, 90580, 125930, 126812, 158515, 166279, 251860, 317030, 332558, 634060, 665116, 831395, 1163953, 1662790, 2327906, 3325580, 4655812, 5819765, 8147671, 11639530, 16295342, 23279060, 32590684, 40738355, 81476710, 162953420]

約数ペア:

[(1, 162953420), (2, 81476710), (4, 40738355), (5, 32590684), (7, 23279060), (10, 16295342), (14, 11639530), (20, 8147671), (28, 5819765), (35, 4655812), (49, 3325580), (70, 2327906), (98, 1662790), (140, 1163953), (196, 831395), (245, 665116), (257, 634060), (490, 332558), (514, 317030), (647, 251860), (980, 166279), (1028, 158515), (1285, 126812), (1294, 125930), (1799, 90580), (2570, 63406), (2588, 62965), (3235, 50372), (3598, 45290), (4529, 35980), (5140, 31703), (6470, 25186), (7196, 22645), (8995, 18116), (9058, 17990), (12593, 12940)]