209312460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{587}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 729421056

約数和(自身を除く): 520108596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 283, 315, 420, 566, 587, 630, 849, 1132, 1174, 1260, 1415, 1698, 1761, 1981, 2348, 2547, 2830, 2935, 3396, 3522, 3962, 4109, 4245, 5094, 5283, 5660, 5870, 5943, 7044, 7924, 8218, 8490, 8805, 9905, 10188, 10566, 11740, 11886, 12327, 12735, 16436, 16980, 17610, 17829, 19810, 20545, 21132, 23772, 24654, 25470, 26415, 29715, 35220, 35658, 36981, 39620, 41090, 49308, 50940, 52830, 59430, 61635, 71316, 73962, 82180, 89145, 105660, 118860, 123270, 147924, 166121, 178290, 184905, 246540, 332242, 356580, 369810, 498363, 664484, 739620, 830605, 996726, 1162847, 1495089, 1661210, 1993452, 2325694, 2491815, 2990178, 3322420, 3488541, 4651388, 4983630, 5814235, 5980356, 6977082, 7475445, 9967260, 10465623, 11628470, 13954164, 14950890, 17442705, 20931246, 23256940, 29901780, 34885410, 41862492, 52328115, 69770820, 104656230, 209312460]

約数ペア:

[(1, 209312460), (2, 104656230), (3, 69770820), (4, 52328115), (5, 41862492), (6, 34885410), (7, 29901780), (9, 23256940), (10, 20931246), (12, 17442705), (14, 14950890), (15, 13954164), (18, 11628470), (20, 10465623), (21, 9967260), (28, 7475445), (30, 6977082), (35, 5980356), (36, 5814235), (42, 4983630), (45, 4651388), (60, 3488541), (63, 3322420), (70, 2990178), (84, 2491815), (90, 2325694), (105, 1993452), (126, 1661210), (140, 1495089), (180, 1162847), (210, 996726), (252, 830605), (283, 739620), (315, 664484), (420, 498363), (566, 369810), (587, 356580), (630, 332242), (849, 246540), (1132, 184905), (1174, 178290), (1260, 166121), (1415, 147924), (1698, 123270), (1761, 118860), (1981, 105660), (2348, 89145), (2547, 82180), (2830, 73962), (2935, 71316), (3396, 61635), (3522, 59430), (3962, 52830), (4109, 50940), (4245, 49308), (5094, 41090), (5283, 39620), (5660, 36981), (5870, 35658), (5943, 35220), (7044, 29715), (7924, 26415), (8218, 25470), (8490, 24654), (8805, 23772), (9905, 21132), (10188, 20545), (10566, 19810), (11740, 17829), (11886, 17610), (12327, 16980), (12735, 16436)]