89800340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 224576352

約数和(自身を除く): 134776012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 2131, 3010, 4214, 4262, 6020, 8428, 8524, 10535, 10655, 14917, 21070, 21310, 29834, 42140, 42620, 59668, 74585, 91633, 104419, 149170, 183266, 208838, 298340, 366532, 417676, 458165, 522095, 641431, 916330, 1044190, 1282862, 1832660, 2088380, 2565724, 3207155, 4490017, 6414310, 8980034, 12828620, 17960068, 22450085, 44900170, 89800340]

約数ペア:

[(1, 89800340), (2, 44900170), (4, 22450085), (5, 17960068), (7, 12828620), (10, 8980034), (14, 6414310), (20, 4490017), (28, 3207155), (35, 2565724), (43, 2088380), (49, 1832660), (70, 1282862), (86, 1044190), (98, 916330), (140, 641431), (172, 522095), (196, 458165), (215, 417676), (245, 366532), (301, 298340), (430, 208838), (490, 183266), (602, 149170), (860, 104419), (980, 91633), (1204, 74585), (1505, 59668), (2107, 42620), (2131, 42140), (3010, 29834), (4214, 21310), (4262, 21070), (6020, 14917), (8428, 10655), (8524, 10535)]