225456498980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1\times {\mathrm{45641}}^1$

素因数の和:49760

約数の個数: 48

約数和(自身を含む): 481349660400

約数和(自身を除く): 255893161420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 4049, 8098, 16196, 20245, 40490, 45641, 80980, 91282, 182564, 228205, 246989, 456410, 493978, 912820, 987956, 1234945, 2469890, 2784101, 4939780, 5568202, 11136404, 13920505, 27841010, 55682020, 184800409, 369600818, 739201636, 924002045, 1848004090, 3696008180, 11272824949, 22545649898, 45091299796, 56364124745, 112728249490, 225456498980]

約数ペア:

[(1, 225456498980), (2, 112728249490), (4, 56364124745), (5, 45091299796), (10, 22545649898), (20, 11272824949), (61, 3696008180), (122, 1848004090), (244, 924002045), (305, 739201636), (610, 369600818), (1220, 184800409), (4049, 55682020), (8098, 27841010), (16196, 13920505), (20245, 11136404), (40490, 5568202), (45641, 4939780), (80980, 2784101), (91282, 2469890), (182564, 1234945), (228205, 987956), (246989, 912820), (456410, 493978)]