688047190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1169

約数の個数: 64

約数和(自身を含む): 1354046400

約数和(自身を除く): 665999210

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 97, 185, 190, 194, 370, 485, 703, 970, 1009, 1406, 1843, 2018, 3515, 3589, 3686, 5045, 7030, 7178, 9215, 10090, 17945, 18430, 19171, 35890, 37333, 38342, 68191, 74666, 95855, 97873, 136382, 186665, 191710, 195746, 340955, 373330, 489365, 681910, 709327, 978730, 1418654, 1859587, 3546635, 3621301, 3719174, 7093270, 7242602, 9297935, 18106505, 18595870, 36213010, 68804719, 137609438, 344023595, 688047190]

約数ペア:

[(1, 688047190), (2, 344023595), (5, 137609438), (10, 68804719), (19, 36213010), (37, 18595870), (38, 18106505), (74, 9297935), (95, 7242602), (97, 7093270), (185, 3719174), (190, 3621301), (194, 3546635), (370, 1859587), (485, 1418654), (703, 978730), (970, 709327), (1009, 681910), (1406, 489365), (1843, 373330), (2018, 340955), (3515, 195746), (3589, 191710), (3686, 186665), (5045, 136382), (7030, 97873), (7178, 95855), (9215, 74666), (10090, 68191), (17945, 38342), (18430, 37333), (19171, 35890)]