69947780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 176504832

約数和(自身を除く): 106557052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 227, 284, 310, 355, 434, 454, 497, 620, 710, 868, 908, 994, 1085, 1135, 1420, 1589, 1988, 2170, 2201, 2270, 2485, 3178, 4340, 4402, 4540, 4970, 6356, 7037, 7945, 8804, 9940, 11005, 14074, 15407, 15890, 16117, 22010, 28148, 30814, 31780, 32234, 35185, 44020, 49259, 61628, 64468, 70370, 77035, 80585, 98518, 112819, 140740, 154070, 161170, 197036, 225638, 246295, 308140, 322340, 451276, 492590, 499627, 564095, 985180, 999254, 1128190, 1998508, 2256380, 2498135, 3497389, 4996270, 6994778, 9992540, 13989556, 17486945, 34973890, 69947780]

約数ペア:

[(1, 69947780), (2, 34973890), (4, 17486945), (5, 13989556), (7, 9992540), (10, 6994778), (14, 4996270), (20, 3497389), (28, 2498135), (31, 2256380), (35, 1998508), (62, 1128190), (70, 999254), (71, 985180), (124, 564095), (140, 499627), (142, 492590), (155, 451276), (217, 322340), (227, 308140), (284, 246295), (310, 225638), (355, 197036), (434, 161170), (454, 154070), (497, 140740), (620, 112819), (710, 98518), (868, 80585), (908, 77035), (994, 70370), (1085, 64468), (1135, 61628), (1420, 49259), (1589, 44020), (1988, 35185), (2170, 32234), (2201, 31780), (2270, 30814), (2485, 28148), (3178, 22010), (4340, 16117), (4402, 15890), (4540, 15407), (4970, 14074), (6356, 11005), (7037, 9940), (7945, 8804)]