408020820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{357913}}^1$

素因数の和:357944

約数の個数: 48

約数和(自身を含む): 1202591040

約数和(自身を除く): 794570220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 357913, 715826, 1073739, 1431652, 1789565, 2147478, 3579130, 4294956, 5368695, 6800347, 7158260, 10737390, 13600694, 20401041, 21474780, 27201388, 34001735, 40802082, 68003470, 81604164, 102005205, 136006940, 204010410, 408020820]

約数ペア:

[(1, 408020820), (2, 204010410), (3, 136006940), (4, 102005205), (5, 81604164), (6, 68003470), (10, 40802082), (12, 34001735), (15, 27201388), (19, 21474780), (20, 20401041), (30, 13600694), (38, 10737390), (57, 7158260), (60, 6800347), (76, 5368695), (95, 4294956), (114, 3579130), (190, 2147478), (228, 1789565), (285, 1431652), (380, 1073739), (570, 715826), (1140, 357913)]