1915707220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{804919}}^1$

素因数の和:804952

約数の個数: 48

約数和(自身を含む): 4868156160

約数和(自身を除く): 2952448940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 804919, 1609838, 3219676, 4024595, 5634433, 8049190, 11268866, 13683623, 16098380, 22537732, 27367246, 28172165, 54734492, 56344330, 68418115, 95785361, 112688660, 136836230, 191570722, 273672460, 383141444, 478926805, 957853610, 1915707220]

約数ペア:

[(1, 1915707220), (2, 957853610), (4, 478926805), (5, 383141444), (7, 273672460), (10, 191570722), (14, 136836230), (17, 112688660), (20, 95785361), (28, 68418115), (34, 56344330), (35, 54734492), (68, 28172165), (70, 27367246), (85, 22537732), (119, 16098380), (140, 13683623), (170, 11268866), (238, 8049190), (340, 5634433), (476, 4024595), (595, 3219676), (1190, 1609838), (2380, 804919)]