68465740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3677}}^1$

素因数の和:3719

約数の個数: 72

約数和(自身を含む): 176102640

約数和(自身を除く): 107636900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3677, 3724, 4655, 7354, 9310, 14708, 18385, 18620, 25739, 36770, 51478, 69863, 73540, 102956, 128695, 139726, 180173, 257390, 279452, 349315, 360346, 489041, 514780, 698630, 720692, 900865, 978082, 1397260, 1801730, 1956164, 2445205, 3423287, 3603460, 4890410, 6846574, 9780820, 13693148, 17116435, 34232870, 68465740]

約数ペア:

[(1, 68465740), (2, 34232870), (4, 17116435), (5, 13693148), (7, 9780820), (10, 6846574), (14, 4890410), (19, 3603460), (20, 3423287), (28, 2445205), (35, 1956164), (38, 1801730), (49, 1397260), (70, 978082), (76, 900865), (95, 720692), (98, 698630), (133, 514780), (140, 489041), (190, 360346), (196, 349315), (245, 279452), (266, 257390), (380, 180173), (490, 139726), (532, 128695), (665, 102956), (931, 73540), (980, 69863), (1330, 51478), (1862, 36770), (2660, 25739), (3677, 18620), (3724, 18385), (4655, 14708), (7354, 9310)]