30291238460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4021}}^1\times {\mathrm{7687}}^1$

素因数の和:11731

約数の個数: 72

約数和(自身を含む): 74025199584

約数和(自身を除く): 43733961124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4021, 7687, 8042, 15374, 16084, 20105, 28147, 30748, 38435, 40210, 53809, 56294, 76870, 80420, 107618, 112588, 140735, 153740, 197029, 215236, 269045, 281470, 376663, 394058, 538090, 562940, 753326, 788116, 985145, 1076180, 1506652, 1883315, 1970290, 3766630, 3940580, 7533260, 30909427, 61818854, 123637708, 154547135, 216365989, 309094270, 432731978, 618188540, 865463956, 1081829945, 1514561923, 2163659890, 3029123846, 4327319780, 6058247692, 7572809615, 15145619230, 30291238460]

約数ペア:

[(1, 30291238460), (2, 15145619230), (4, 7572809615), (5, 6058247692), (7, 4327319780), (10, 3029123846), (14, 2163659890), (20, 1514561923), (28, 1081829945), (35, 865463956), (49, 618188540), (70, 432731978), (98, 309094270), (140, 216365989), (196, 154547135), (245, 123637708), (490, 61818854), (980, 30909427), (4021, 7533260), (7687, 3940580), (8042, 3766630), (15374, 1970290), (16084, 1883315), (20105, 1506652), (28147, 1076180), (30748, 985145), (38435, 788116), (40210, 753326), (53809, 562940), (56294, 538090), (76870, 394058), (80420, 376663), (107618, 281470), (112588, 269045), (140735, 215236), (153740, 197029)]