205745970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 507830400

約数和(自身を除く): 302084430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 349, 430, 457, 645, 698, 914, 1047, 1290, 1371, 1745, 2094, 2285, 2742, 3490, 4570, 5235, 6855, 10470, 13710, 15007, 19651, 30014, 39302, 45021, 58953, 75035, 90042, 98255, 117906, 150070, 159493, 196510, 225105, 294765, 318986, 450210, 478479, 589530, 797465, 956958, 1594930, 2392395, 4784790, 6858199, 13716398, 20574597, 34290995, 41149194, 68581990, 102872985, 205745970]

約数ペア:

[(1, 205745970), (2, 102872985), (3, 68581990), (5, 41149194), (6, 34290995), (10, 20574597), (15, 13716398), (30, 6858199), (43, 4784790), (86, 2392395), (129, 1594930), (215, 956958), (258, 797465), (349, 589530), (430, 478479), (457, 450210), (645, 318986), (698, 294765), (914, 225105), (1047, 196510), (1290, 159493), (1371, 150070), (1745, 117906), (2094, 98255), (2285, 90042), (2742, 75035), (3490, 58953), (4570, 45021), (5235, 39302), (6855, 30014), (10470, 19651), (13710, 15007)]