408020130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{647651}}^1$

素因数の和:647671

約数の個数: 48

約数和(自身を含む): 1212404544

約数和(自身を除く): 804384414

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 647651, 1295302, 1942953, 3238255, 3885906, 4533557, 5828859, 6476510, 9067114, 9714765, 11657718, 13600671, 19429530, 22667785, 27201342, 29144295, 40802013, 45335570, 58288590, 68003355, 81604026, 136006710, 204010065, 408020130]

約数ペア:

[(1, 408020130), (2, 204010065), (3, 136006710), (5, 81604026), (6, 68003355), (7, 58288590), (9, 45335570), (10, 40802013), (14, 29144295), (15, 27201342), (18, 22667785), (21, 19429530), (30, 13600671), (35, 11657718), (42, 9714765), (45, 9067114), (63, 6476510), (70, 5828859), (90, 4533557), (105, 3885906), (126, 3238255), (210, 1942953), (315, 1295302), (630, 647651)]