1389278300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{467}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 3071053440

約数和(自身を除く): 1681775140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 419, 467, 710, 838, 934, 1420, 1676, 1775, 1868, 2095, 2335, 3550, 4190, 4670, 7100, 8380, 9340, 10475, 11675, 20950, 23350, 29749, 33157, 41900, 46700, 59498, 66314, 118996, 132628, 148745, 165785, 195673, 297490, 331570, 391346, 594980, 663140, 743725, 782692, 828925, 978365, 1487450, 1657850, 1956730, 2974900, 3315700, 3913460, 4891825, 9783650, 13892783, 19567300, 27785566, 55571132, 69463915, 138927830, 277855660, 347319575, 694639150, 1389278300]

約数ペア:

[(1, 1389278300), (2, 694639150), (4, 347319575), (5, 277855660), (10, 138927830), (20, 69463915), (25, 55571132), (50, 27785566), (71, 19567300), (100, 13892783), (142, 9783650), (284, 4891825), (355, 3913460), (419, 3315700), (467, 2974900), (710, 1956730), (838, 1657850), (934, 1487450), (1420, 978365), (1676, 828925), (1775, 782692), (1868, 743725), (2095, 663140), (2335, 594980), (3550, 391346), (4190, 331570), (4670, 297490), (7100, 195673), (8380, 165785), (9340, 148745), (10475, 132628), (11675, 118996), (20950, 66314), (23350, 59498), (29749, 46700), (33157, 41900)]