880899900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{991}}^1\times {\mathrm{2963}}^1$

素因数の和:3971

約数の個数: 72

約数和(自身を含む): 2552169984

約数和(自身を除く): 1671270084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 991, 1982, 2963, 2973, 3964, 4955, 5926, 5946, 8889, 9910, 11852, 11892, 14815, 14865, 17778, 19820, 24775, 29630, 29730, 35556, 44445, 49550, 59260, 59460, 74075, 74325, 88890, 99100, 148150, 148650, 177780, 222225, 296300, 297300, 444450, 888900, 2936333, 5872666, 8808999, 11745332, 14681665, 17617998, 29363330, 35235996, 44044995, 58726660, 73408325, 88089990, 146816650, 176179980, 220224975, 293633300, 440449950, 880899900]

約数ペア:

[(1, 880899900), (2, 440449950), (3, 293633300), (4, 220224975), (5, 176179980), (6, 146816650), (10, 88089990), (12, 73408325), (15, 58726660), (20, 44044995), (25, 35235996), (30, 29363330), (50, 17617998), (60, 14681665), (75, 11745332), (100, 8808999), (150, 5872666), (300, 2936333), (991, 888900), (1982, 444450), (2963, 297300), (2973, 296300), (3964, 222225), (4955, 177780), (5926, 148650), (5946, 148150), (8889, 99100), (9910, 88890), (11852, 74325), (11892, 74075), (14815, 59460), (14865, 59260), (17778, 49550), (19820, 44445), (24775, 35556), (29630, 29730)]