28694650

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 55442880

約数和(自身を除く): 26748230

約数列:

[1, 2, 5, 10, 25, 50, 59, 71, 118, 137, 142, 274, 295, 355, 590, 685, 710, 1370, 1475, 1775, 2950, 3425, 3550, 4189, 6850, 8083, 8378, 9727, 16166, 19454, 20945, 40415, 41890, 48635, 80830, 97270, 104725, 202075, 209450, 243175, 404150, 486350, 573893, 1147786, 2869465, 5738930, 14347325, 28694650]

約数ペア:

[(1, 28694650), (2, 14347325), (5, 5738930), (10, 2869465), (25, 1147786), (50, 573893), (59, 486350), (71, 404150), (118, 243175), (137, 209450), (142, 202075), (274, 104725), (295, 97270), (355, 80830), (590, 48635), (685, 41890), (710, 40415), (1370, 20945), (1475, 19454), (1775, 16166), (2950, 9727), (3425, 8378), (3550, 8083), (4189, 6850)]