90351940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37963}}^1$

素因数の和:37996

約数の個数: 48

約数和(自身を含む): 229606272

約数和(自身を除く): 139254332

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, 37963, 75926, 151852, 189815, 265741, 379630, 531482, 645371, 759260, 1062964, 1290742, 1328705, 2581484, 2657410, 3226855, 4517597, 5314820, 6453710, 9035194, 12907420, 18070388, 22587985, 45175970, 90351940]

約数ペア:

[(1, 90351940), (2, 45175970), (4, 22587985), (5, 18070388), (7, 12907420), (10, 9035194), (14, 6453710), (17, 5314820), (20, 4517597), (28, 3226855), (34, 2657410), (35, 2581484), (68, 1328705), (70, 1290742), (85, 1062964), (119, 759260), (140, 645371), (170, 531482), (238, 379630), (340, 265741), (476, 189815), (595, 151852), (1190, 75926), (2380, 37963)]