1927409900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{2243}}^1$

素因数の和:2931

約数の個数: 72

約数和(自身を含む): 4513034064

約数和(自身を除く): 2585624164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 661, 1300, 1322, 2243, 2644, 3305, 4486, 6610, 8593, 8972, 11215, 13220, 16525, 17186, 22430, 29159, 33050, 34372, 42965, 44860, 56075, 58318, 66100, 85930, 112150, 116636, 145795, 171860, 214825, 224300, 291590, 429650, 583180, 728975, 859300, 1457950, 1482623, 2915900, 2965246, 5930492, 7413115, 14826230, 19274099, 29652460, 37065575, 38548198, 74131150, 77096396, 96370495, 148262300, 192740990, 385481980, 481852475, 963704950, 1927409900]

約数ペア:

[(1, 1927409900), (2, 963704950), (4, 481852475), (5, 385481980), (10, 192740990), (13, 148262300), (20, 96370495), (25, 77096396), (26, 74131150), (50, 38548198), (52, 37065575), (65, 29652460), (100, 19274099), (130, 14826230), (260, 7413115), (325, 5930492), (650, 2965246), (661, 2915900), (1300, 1482623), (1322, 1457950), (2243, 859300), (2644, 728975), (3305, 583180), (4486, 429650), (6610, 291590), (8593, 224300), (8972, 214825), (11215, 171860), (13220, 145795), (16525, 116636), (17186, 112150), (22430, 85930), (29159, 66100), (33050, 58318), (34372, 56075), (42965, 44860)]