1020007100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19961}}^1$

素因数の和:20055

約数の個数: 72

約数和(自身を含む): 2564398368

約数和(自身を除く): 1544391268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 511, 700, 730, 1022, 1460, 1825, 2044, 2555, 3650, 5110, 7300, 10220, 12775, 19961, 25550, 39922, 51100, 79844, 99805, 139727, 199610, 279454, 399220, 499025, 558908, 698635, 998050, 1397270, 1457153, 1996100, 2794540, 2914306, 3493175, 5828612, 6986350, 7285765, 10200071, 13972700, 14571530, 20400142, 29143060, 36428825, 40800284, 51000355, 72857650, 102000710, 145715300, 204001420, 255001775, 510003550, 1020007100]

約数ペア:

[(1, 1020007100), (2, 510003550), (4, 255001775), (5, 204001420), (7, 145715300), (10, 102000710), (14, 72857650), (20, 51000355), (25, 40800284), (28, 36428825), (35, 29143060), (50, 20400142), (70, 14571530), (73, 13972700), (100, 10200071), (140, 7285765), (146, 6986350), (175, 5828612), (292, 3493175), (350, 2914306), (365, 2794540), (511, 1996100), (700, 1457153), (730, 1397270), (1022, 998050), (1460, 698635), (1825, 558908), (2044, 499025), (2555, 399220), (3650, 279454), (5110, 199610), (7300, 139727), (10220, 99805), (12775, 79844), (19961, 51100), (25550, 39922)]