305885440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{4877}}^1$

素因数の和:4912

約数の個数: 108

約数和(自身を含む): 852489036

約数和(自身を除く): 546603596

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 4877, 6272, 7840, 8960, 9754, 12544, 15680, 19508, 24385, 31360, 34139, 39016, 48770, 62720, 68278, 78032, 97540, 136556, 156064, 170695, 195080, 238973, 273112, 312128, 341390, 390160, 477946, 546224, 624256, 682780, 780320, 955892, 1092448, 1194865, 1248512, 1365560, 1560640, 1911784, 2184896, 2389730, 2731120, 3121280, 3823568, 4369792, 4779460, 5462240, 6242560, 7647136, 8739584, 9558920, 10924480, 15294272, 19117840, 21848960, 30588544, 38235680, 43697920, 61177088, 76471360, 152942720, 305885440]

約数ペア:

[(1, 305885440), (2, 152942720), (4, 76471360), (5, 61177088), (7, 43697920), (8, 38235680), (10, 30588544), (14, 21848960), (16, 19117840), (20, 15294272), (28, 10924480), (32, 9558920), (35, 8739584), (40, 7647136), (49, 6242560), (56, 5462240), (64, 4779460), (70, 4369792), (80, 3823568), (98, 3121280), (112, 2731120), (128, 2389730), (140, 2184896), (160, 1911784), (196, 1560640), (224, 1365560), (245, 1248512), (256, 1194865), (280, 1092448), (320, 955892), (392, 780320), (448, 682780), (490, 624256), (560, 546224), (640, 477946), (784, 390160), (896, 341390), (980, 312128), (1120, 273112), (1280, 238973), (1568, 195080), (1792, 170695), (1960, 156064), (2240, 136556), (3136, 97540), (3920, 78032), (4480, 68278), (4877, 62720), (6272, 48770), (7840, 39016), (8960, 34139), (9754, 31360), (12544, 24385), (15680, 19508)]