819822900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6781}}^1$

素因数の和:6842

約数の個数: 144

約数和(自身を含む): 2637275648

約数和(自身を除く): 1817452748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1860, 1950, 2015, 2325, 2418, 3100, 3900, 4030, 4650, 4836, 6045, 6781, 8060, 9300, 10075, 12090, 13562, 20150, 20343, 24180, 27124, 30225, 33905, 40300, 40686, 60450, 67810, 81372, 88153, 101715, 120900, 135620, 169525, 176306, 203430, 210211, 264459, 339050, 352612, 406860, 420422, 440765, 508575, 528918, 630633, 678100, 840844, 881530, 1017150, 1051055, 1057836, 1261266, 1322295, 1763060, 2034300, 2102110, 2203825, 2522532, 2644590, 2732743, 3153165, 4204220, 4407650, 5255275, 5289180, 5465486, 6306330, 6611475, 8198229, 8815300, 10510550, 10930972, 12612660, 13222950, 13663715, 15765825, 16396458, 21021100, 26445900, 27327430, 31531650, 32792916, 40991145, 54654860, 63063300, 68318575, 81982290, 136637150, 163964580, 204955725, 273274300, 409911450, 819822900]

約数ペア:

[(1, 819822900), (2, 409911450), (3, 273274300), (4, 204955725), (5, 163964580), (6, 136637150), (10, 81982290), (12, 68318575), (13, 63063300), (15, 54654860), (20, 40991145), (25, 32792916), (26, 31531650), (30, 27327430), (31, 26445900), (39, 21021100), (50, 16396458), (52, 15765825), (60, 13663715), (62, 13222950), (65, 12612660), (75, 10930972), (78, 10510550), (93, 8815300), (100, 8198229), (124, 6611475), (130, 6306330), (150, 5465486), (155, 5289180), (156, 5255275), (186, 4407650), (195, 4204220), (260, 3153165), (300, 2732743), (310, 2644590), (325, 2522532), (372, 2203825), (390, 2102110), (403, 2034300), (465, 1763060), (620, 1322295), (650, 1261266), (775, 1057836), (780, 1051055), (806, 1017150), (930, 881530), (975, 840844), (1209, 678100), (1300, 630633), (1550, 528918), (1612, 508575), (1860, 440765), (1950, 420422), (2015, 406860), (2325, 352612), (2418, 339050), (3100, 264459), (3900, 210211), (4030, 203430), (4650, 176306), (4836, 169525), (6045, 135620), (6781, 120900), (8060, 101715), (9300, 88153), (10075, 81372), (12090, 67810), (13562, 60450), (20150, 40686), (20343, 40300), (24180, 33905), (27124, 30225)]