315254810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 636539904

約数和(自身を除く): 321285094

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 137, 155, 274, 310, 403, 571, 685, 806, 1142, 1370, 1781, 2015, 2855, 3562, 4030, 4247, 5710, 7423, 8494, 8905, 14846, 17701, 17810, 21235, 35402, 37115, 42470, 55211, 74230, 78227, 88505, 110422, 156454, 177010, 230113, 276055, 391135, 460226, 552110, 782270, 1016951, 1150565, 2033902, 2301130, 2425037, 4850074, 5084755, 10169510, 12125185, 24250370, 31525481, 63050962, 157627405, 315254810]

約数ペア:

[(1, 315254810), (2, 157627405), (5, 63050962), (10, 31525481), (13, 24250370), (26, 12125185), (31, 10169510), (62, 5084755), (65, 4850074), (130, 2425037), (137, 2301130), (155, 2033902), (274, 1150565), (310, 1016951), (403, 782270), (571, 552110), (685, 460226), (806, 391135), (1142, 276055), (1370, 230113), (1781, 177010), (2015, 156454), (2855, 110422), (3562, 88505), (4030, 78227), (4247, 74230), (5710, 55211), (7423, 42470), (8494, 37115), (8905, 35402), (14846, 21235), (17701, 17810)]