28250460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3203}}^1$

素因数の和:3232

約数の個数: 108

約数和(自身を含む): 99714888

約数和(自身を除く): 71464428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3203, 4410, 6406, 8820, 9609, 12812, 16015, 19218, 22421, 28827, 32030, 38436, 44842, 48045, 57654, 64060, 67263, 89684, 96090, 112105, 115308, 134526, 144135, 156947, 192180, 201789, 224210, 269052, 288270, 313894, 336315, 403578, 448420, 470841, 576540, 627788, 672630, 784735, 807156, 941682, 1008945, 1345260, 1412523, 1569470, 1883364, 2017890, 2354205, 2825046, 3138940, 4035780, 4708410, 5650092, 7062615, 9416820, 14125230, 28250460]

約数ペア:

[(1, 28250460), (2, 14125230), (3, 9416820), (4, 7062615), (5, 5650092), (6, 4708410), (7, 4035780), (9, 3138940), (10, 2825046), (12, 2354205), (14, 2017890), (15, 1883364), (18, 1569470), (20, 1412523), (21, 1345260), (28, 1008945), (30, 941682), (35, 807156), (36, 784735), (42, 672630), (45, 627788), (49, 576540), (60, 470841), (63, 448420), (70, 403578), (84, 336315), (90, 313894), (98, 288270), (105, 269052), (126, 224210), (140, 201789), (147, 192180), (180, 156947), (196, 144135), (210, 134526), (245, 115308), (252, 112105), (294, 96090), (315, 89684), (420, 67263), (441, 64060), (490, 57654), (588, 48045), (630, 44842), (735, 38436), (882, 32030), (980, 28827), (1260, 22421), (1470, 19218), (1764, 16015), (2205, 12812), (2940, 9609), (3203, 8820), (4410, 6406)]