2920260760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{13613}}^1$

素因数の和:13828

約数の個数: 64

約数和(自身を含む): 6822247680

約数和(自身を除く): 3901986920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 248, 310, 346, 620, 692, 865, 1240, 1384, 1730, 3460, 5363, 6920, 10726, 13613, 21452, 26815, 27226, 42904, 53630, 54452, 68065, 107260, 108904, 136130, 214520, 272260, 422003, 544520, 844006, 1688012, 2110015, 2355049, 3376024, 4220030, 4710098, 8440060, 9420196, 11775245, 16880120, 18840392, 23550490, 47100980, 73006519, 94201960, 146013038, 292026076, 365032595, 584052152, 730065190, 1460130380, 2920260760]

約数ペア:

[(1, 2920260760), (2, 1460130380), (4, 730065190), (5, 584052152), (8, 365032595), (10, 292026076), (20, 146013038), (31, 94201960), (40, 73006519), (62, 47100980), (124, 23550490), (155, 18840392), (173, 16880120), (248, 11775245), (310, 9420196), (346, 8440060), (620, 4710098), (692, 4220030), (865, 3376024), (1240, 2355049), (1384, 2110015), (1730, 1688012), (3460, 844006), (5363, 544520), (6920, 422003), (10726, 272260), (13613, 214520), (21452, 136130), (26815, 108904), (27226, 107260), (42904, 68065), (53630, 54452)]