1306340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 3370752

約数和(自身を除く): 2064412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 49, 62, 70, 86, 98, 124, 140, 155, 172, 196, 215, 217, 245, 301, 310, 430, 434, 490, 602, 620, 860, 868, 980, 1085, 1204, 1333, 1505, 1519, 2107, 2170, 2666, 3010, 3038, 4214, 4340, 5332, 6020, 6076, 6665, 7595, 8428, 9331, 10535, 13330, 15190, 18662, 21070, 26660, 30380, 37324, 42140, 46655, 65317, 93310, 130634, 186620, 261268, 326585, 653170, 1306340]

約数ペア:

[(1, 1306340), (2, 653170), (4, 326585), (5, 261268), (7, 186620), (10, 130634), (14, 93310), (20, 65317), (28, 46655), (31, 42140), (35, 37324), (43, 30380), (49, 26660), (62, 21070), (70, 18662), (86, 15190), (98, 13330), (124, 10535), (140, 9331), (155, 8428), (172, 7595), (196, 6665), (215, 6076), (217, 6020), (245, 5332), (301, 4340), (310, 4214), (430, 3038), (434, 3010), (490, 2666), (602, 2170), (620, 2107), (860, 1519), (868, 1505), (980, 1333), (1085, 1204)]