998635860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1174

約数の個数: 144

約数和(自身を含む): 3146637312

約数和(自身を除く): 2148001452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 191, 279, 310, 372, 382, 465, 558, 573, 620, 764, 930, 937, 955, 1116, 1146, 1395, 1719, 1860, 1874, 1910, 2292, 2790, 2811, 2865, 3438, 3748, 3820, 4685, 5580, 5622, 5730, 5921, 6876, 8433, 8595, 9370, 11244, 11460, 11842, 14055, 16866, 17190, 17763, 18740, 23684, 28110, 29047, 29605, 33732, 34380, 35526, 42165, 53289, 56220, 58094, 59210, 71052, 84330, 87141, 88815, 106578, 116188, 118420, 145235, 168660, 174282, 177630, 178967, 213156, 261423, 266445, 290470, 348564, 355260, 357934, 435705, 522846, 532890, 536901, 580940, 715868, 871410, 894835, 1045692, 1065780, 1073802, 1307115, 1610703, 1742820, 1789670, 2147604, 2614230, 2684505, 3221406, 3579340, 5228460, 5369010, 5547977, 6442812, 8053515, 10738020, 11095954, 16107030, 16643931, 22191908, 27739885, 32214060, 33287862, 49931793, 55479770, 66575724, 83219655, 99863586, 110959540, 166439310, 199727172, 249658965, 332878620, 499317930, 998635860]

約数ペア:

[(1, 998635860), (2, 499317930), (3, 332878620), (4, 249658965), (5, 199727172), (6, 166439310), (9, 110959540), (10, 99863586), (12, 83219655), (15, 66575724), (18, 55479770), (20, 49931793), (30, 33287862), (31, 32214060), (36, 27739885), (45, 22191908), (60, 16643931), (62, 16107030), (90, 11095954), (93, 10738020), (124, 8053515), (155, 6442812), (180, 5547977), (186, 5369010), (191, 5228460), (279, 3579340), (310, 3221406), (372, 2684505), (382, 2614230), (465, 2147604), (558, 1789670), (573, 1742820), (620, 1610703), (764, 1307115), (930, 1073802), (937, 1065780), (955, 1045692), (1116, 894835), (1146, 871410), (1395, 715868), (1719, 580940), (1860, 536901), (1874, 532890), (1910, 522846), (2292, 435705), (2790, 357934), (2811, 355260), (2865, 348564), (3438, 290470), (3748, 266445), (3820, 261423), (4685, 213156), (5580, 178967), (5622, 177630), (5730, 174282), (5921, 168660), (6876, 145235), (8433, 118420), (8595, 116188), (9370, 106578), (11244, 88815), (11460, 87141), (11842, 84330), (14055, 71052), (16866, 59210), (17190, 58094), (17763, 56220), (18740, 53289), (23684, 42165), (28110, 35526), (29047, 34380), (29605, 33732)]