82807300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 185613120

約数和(自身を除く): 102805820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 107, 109, 142, 214, 218, 284, 355, 428, 436, 535, 545, 710, 1070, 1090, 1420, 1775, 2140, 2180, 2675, 2725, 3550, 5350, 5450, 7100, 7597, 7739, 10700, 10900, 11663, 15194, 15478, 23326, 30388, 30956, 37985, 38695, 46652, 58315, 75970, 77390, 116630, 151940, 154780, 189925, 193475, 233260, 291575, 379850, 386950, 583150, 759700, 773900, 828073, 1166300, 1656146, 3312292, 4140365, 8280730, 16561460, 20701825, 41403650, 82807300]

約数ペア:

[(1, 82807300), (2, 41403650), (4, 20701825), (5, 16561460), (10, 8280730), (20, 4140365), (25, 3312292), (50, 1656146), (71, 1166300), (100, 828073), (107, 773900), (109, 759700), (142, 583150), (214, 386950), (218, 379850), (284, 291575), (355, 233260), (428, 193475), (436, 189925), (535, 154780), (545, 151940), (710, 116630), (1070, 77390), (1090, 75970), (1420, 58315), (1775, 46652), (2140, 38695), (2180, 37985), (2675, 30956), (2725, 30388), (3550, 23326), (5350, 15478), (5450, 15194), (7100, 11663), (7597, 10900), (7739, 10700)]