279399900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2372

約数の個数: 144

約数和(自身を含む): 899053568

約数和(自身を除く): 619653668

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, 2311, 2325, 2418, 3100, 3900, 4030, 4622, 4650, 4836, 6045, 6933, 8060, 9244, 9300, 10075, 11555, 12090, 13866, 20150, 23110, 24180, 27732, 30043, 30225, 34665, 40300, 46220, 57775, 60086, 60450, 69330, 71641, 90129, 115550, 120172, 120900, 138660, 143282, 150215, 173325, 180258, 214923, 231100, 286564, 300430, 346650, 358205, 360516, 429846, 450645, 600860, 693300, 716410, 751075, 859692, 901290, 931333, 1074615, 1432820, 1502150, 1791025, 1802580, 1862666, 2149230, 2253225, 2793999, 3004300, 3582050, 3725332, 4298460, 4506450, 4656665, 5373075, 5587998, 7164100, 9012900, 9313330, 10746150, 11175996, 13969995, 18626660, 21492300, 23283325, 27939990, 46566650, 55879980, 69849975, 93133300, 139699950, 279399900]

約数ペア:

[(1, 279399900), (2, 139699950), (3, 93133300), (4, 69849975), (5, 55879980), (6, 46566650), (10, 27939990), (12, 23283325), (13, 21492300), (15, 18626660), (20, 13969995), (25, 11175996), (26, 10746150), (30, 9313330), (31, 9012900), (39, 7164100), (50, 5587998), (52, 5373075), (60, 4656665), (62, 4506450), (65, 4298460), (75, 3725332), (78, 3582050), (93, 3004300), (100, 2793999), (124, 2253225), (130, 2149230), (150, 1862666), (155, 1802580), (156, 1791025), (186, 1502150), (195, 1432820), (260, 1074615), (300, 931333), (310, 901290), (325, 859692), (372, 751075), (390, 716410), (403, 693300), (465, 600860), (620, 450645), (650, 429846), (775, 360516), (780, 358205), (806, 346650), (930, 300430), (975, 286564), (1209, 231100), (1300, 214923), (1550, 180258), (1612, 173325), (1860, 150215), (1950, 143282), (2015, 138660), (2311, 120900), (2325, 120172), (2418, 115550), (3100, 90129), (3900, 71641), (4030, 69330), (4622, 60450), (4650, 60086), (4836, 57775), (6045, 46220), (6933, 40300), (8060, 34665), (9244, 30225), (9300, 30043), (10075, 27732), (11555, 24180), (12090, 23110), (13866, 20150)]