149262820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 366799104

約数和(自身を除く): 217536284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 683, 892, 980, 1115, 1366, 1561, 2230, 2732, 3122, 3415, 4460, 4781, 6244, 6830, 7805, 9562, 10927, 13660, 15610, 19124, 21854, 23905, 31220, 33467, 43708, 47810, 54635, 66934, 95620, 109270, 133868, 152309, 167335, 218540, 304618, 334670, 609236, 669340, 761545, 1066163, 1523090, 2132326, 3046180, 4264652, 5330815, 7463141, 10661630, 14926282, 21323260, 29852564, 37315705, 74631410, 149262820]

約数ペア:

[(1, 149262820), (2, 74631410), (4, 37315705), (5, 29852564), (7, 21323260), (10, 14926282), (14, 10661630), (20, 7463141), (28, 5330815), (35, 4264652), (49, 3046180), (70, 2132326), (98, 1523090), (140, 1066163), (196, 761545), (223, 669340), (245, 609236), (446, 334670), (490, 304618), (683, 218540), (892, 167335), (980, 152309), (1115, 133868), (1366, 109270), (1561, 95620), (2230, 66934), (2732, 54635), (3122, 47810), (3415, 43708), (4460, 33467), (4781, 31220), (6244, 23905), (6830, 21854), (7805, 19124), (9562, 15610), (10927, 13660)]