71551120460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{52433}}^1$

素因数の和:52575

約数の個数: 72

約数和(自身を含む): 157450493088

約数和(自身を除く): 85899372628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 961, 1420, 1922, 2201, 3844, 4402, 4805, 8804, 9610, 11005, 19220, 22010, 44020, 52433, 68231, 104866, 136462, 209732, 262165, 272924, 341155, 524330, 682310, 1048660, 1364620, 1625423, 3250846, 3722743, 6501692, 7445486, 8127115, 14890972, 16254230, 18613715, 32508460, 37227430, 50388113, 74454860, 100776226, 115405033, 201552452, 230810066, 251940565, 461620132, 503881130, 577025165, 1007762260, 1154050330, 2308100660, 3577556023, 7155112046, 14310224092, 17887780115, 35775560230, 71551120460]

約数ペア:

[(1, 71551120460), (2, 35775560230), (4, 17887780115), (5, 14310224092), (10, 7155112046), (20, 3577556023), (31, 2308100660), (62, 1154050330), (71, 1007762260), (124, 577025165), (142, 503881130), (155, 461620132), (284, 251940565), (310, 230810066), (355, 201552452), (620, 115405033), (710, 100776226), (961, 74454860), (1420, 50388113), (1922, 37227430), (2201, 32508460), (3844, 18613715), (4402, 16254230), (4805, 14890972), (8804, 8127115), (9610, 7445486), (11005, 6501692), (19220, 3722743), (22010, 3250846), (44020, 1625423), (52433, 1364620), (68231, 1048660), (104866, 682310), (136462, 524330), (209732, 341155), (262165, 272924)]