1520237975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 2047368960

約数和(自身を除く): 527130985

約数列:

[1, 5, 19, 25, 41, 95, 205, 251, 311, 475, 779, 1025, 1255, 1555, 3895, 4769, 5909, 6275, 7775, 10291, 12751, 19475, 23845, 29545, 51455, 63755, 78061, 119225, 147725, 195529, 242269, 257275, 318775, 390305, 977645, 1211345, 1483159, 1951525, 3200501, 4888225, 6056725, 7415795, 16002505, 37078975, 60809519, 80012525, 304047595, 1520237975]

約数ペア:

[(1, 1520237975), (5, 304047595), (19, 80012525), (25, 60809519), (41, 37078975), (95, 16002505), (205, 7415795), (251, 6056725), (311, 4888225), (475, 3200501), (779, 1951525), (1025, 1483159), (1255, 1211345), (1555, 977645), (3895, 390305), (4769, 318775), (5909, 257275), (6275, 242269), (7775, 195529), (10291, 147725), (12751, 119225), (19475, 78061), (23845, 63755), (29545, 51455)]