12869900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 29675184

約数和(自身を除く): 16805284

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 73, 82, 86, 100, 146, 164, 172, 205, 215, 292, 365, 410, 430, 730, 820, 860, 1025, 1075, 1460, 1763, 1825, 2050, 2150, 2993, 3139, 3526, 3650, 4100, 4300, 5986, 6278, 7052, 7300, 8815, 11972, 12556, 14965, 15695, 17630, 29930, 31390, 35260, 44075, 59860, 62780, 74825, 78475, 88150, 128699, 149650, 156950, 176300, 257398, 299300, 313900, 514796, 643495, 1286990, 2573980, 3217475, 6434950, 12869900]

約数ペア:

[(1, 12869900), (2, 6434950), (4, 3217475), (5, 2573980), (10, 1286990), (20, 643495), (25, 514796), (41, 313900), (43, 299300), (50, 257398), (73, 176300), (82, 156950), (86, 149650), (100, 128699), (146, 88150), (164, 78475), (172, 74825), (205, 62780), (215, 59860), (292, 44075), (365, 35260), (410, 31390), (430, 29930), (730, 17630), (820, 15695), (860, 14965), (1025, 12556), (1075, 11972), (1460, 8815), (1763, 7300), (1825, 7052), (2050, 6278), (2150, 5986), (2993, 4300), (3139, 4100), (3526, 3650)]