1997411220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{51137}}^1$

素因数の和:51190

約数の個数: 144

約数和(自身を含む): 7147865088

約数和(自身を除く): 5150453868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 51137, 102274, 153411, 204548, 255685, 306822, 357959, 460233, 511370, 613644, 715918, 767055, 920466, 1022740, 1073877, 1431836, 1534110, 1585247, 1789795, 1840932, 2147754, 2301165, 3068220, 3170494, 3221631, 3579590, 4295508, 4602330, 4755741, 5369385, 6340988, 6443262, 7159180, 7926235, 9204660, 9511482, 10738770, 11096729, 12886524, 14267223, 15852470, 16108155, 19022964, 21477540, 22193458, 23778705, 28534446, 31704940, 32216310, 33290187, 44386916, 47557410, 55483645, 57068892, 64432620, 66580374, 71336115, 95114820, 99870561, 110967290, 133160748, 142672230, 166450935, 199741122, 221934580, 285344460, 332901870, 399482244, 499352805, 665803740, 998705610, 1997411220]

約数ペア:

[(1, 1997411220), (2, 998705610), (3, 665803740), (4, 499352805), (5, 399482244), (6, 332901870), (7, 285344460), (9, 221934580), (10, 199741122), (12, 166450935), (14, 142672230), (15, 133160748), (18, 110967290), (20, 99870561), (21, 95114820), (28, 71336115), (30, 66580374), (31, 64432620), (35, 57068892), (36, 55483645), (42, 47557410), (45, 44386916), (60, 33290187), (62, 32216310), (63, 31704940), (70, 28534446), (84, 23778705), (90, 22193458), (93, 21477540), (105, 19022964), (124, 16108155), (126, 15852470), (140, 14267223), (155, 12886524), (180, 11096729), (186, 10738770), (210, 9511482), (217, 9204660), (252, 7926235), (279, 7159180), (310, 6443262), (315, 6340988), (372, 5369385), (420, 4755741), (434, 4602330), (465, 4295508), (558, 3579590), (620, 3221631), (630, 3170494), (651, 3068220), (868, 2301165), (930, 2147754), (1085, 1840932), (1116, 1789795), (1260, 1585247), (1302, 1534110), (1395, 1431836), (1860, 1073877), (1953, 1022740), (2170, 920466), (2604, 767055), (2790, 715918), (3255, 613644), (3906, 511370), (4340, 460233), (5580, 357959), (6510, 306822), (7812, 255685), (9765, 204548), (13020, 153411), (19530, 102274), (39060, 51137)]