30490790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 61133184

約数和(自身を除く): 30642394

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 121, 223, 226, 242, 446, 565, 605, 1115, 1130, 1210, 1243, 2230, 2453, 2486, 4906, 6215, 12265, 12430, 13673, 24530, 25199, 26983, 27346, 50398, 53966, 68365, 125995, 134915, 136730, 251990, 269830, 277189, 554378, 1385945, 2771890, 3049079, 6098158, 15245395, 30490790]

約数ペア:

[(1, 30490790), (2, 15245395), (5, 6098158), (10, 3049079), (11, 2771890), (22, 1385945), (55, 554378), (110, 277189), (113, 269830), (121, 251990), (223, 136730), (226, 134915), (242, 125995), (446, 68365), (565, 53966), (605, 50398), (1115, 27346), (1130, 26983), (1210, 25199), (1243, 24530), (2230, 13673), (2453, 12430), (2486, 12265), (4906, 6215)]