625702940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{1301}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 1332102240

約数和(自身を除く): 706399300

約数列:

[1, 2, 4, 5, 10, 20, 139, 173, 278, 346, 556, 692, 695, 865, 1301, 1390, 1730, 2602, 2780, 3460, 5204, 6505, 13010, 24047, 26020, 48094, 96188, 120235, 180839, 225073, 240470, 361678, 450146, 480940, 723356, 900292, 904195, 1125365, 1808390, 2250730, 3616780, 4501460, 31285147, 62570294, 125140588, 156425735, 312851470, 625702940]

約数ペア:

[(1, 625702940), (2, 312851470), (4, 156425735), (5, 125140588), (10, 62570294), (20, 31285147), (139, 4501460), (173, 3616780), (278, 2250730), (346, 1808390), (556, 1125365), (692, 904195), (695, 900292), (865, 723356), (1301, 480940), (1390, 450146), (1730, 361678), (2602, 240470), (2780, 225073), (3460, 180839), (5204, 120235), (6505, 96188), (13010, 48094), (24047, 26020)]