420009842

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 769824000

約数和(自身を除く): 349814158

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 131, 149, 203, 262, 298, 371, 406, 742, 917, 1043, 1537, 1834, 2086, 3074, 3799, 4321, 6943, 7598, 7897, 8642, 10759, 13886, 15794, 19519, 21518, 26593, 30247, 39038, 48601, 53186, 55279, 60494, 97202, 110558, 136633, 201347, 229013, 273266, 402694, 458026, 566051, 1034507, 1132102, 1409429, 1603091, 2069014, 2818858, 3206182, 3962357, 7241549, 7924714, 14483098, 30000703, 60001406, 210004921, 420009842]

約数ペア:

[(1, 420009842), (2, 210004921), (7, 60001406), (14, 30000703), (29, 14483098), (53, 7924714), (58, 7241549), (106, 3962357), (131, 3206182), (149, 2818858), (203, 2069014), (262, 1603091), (298, 1409429), (371, 1132102), (406, 1034507), (742, 566051), (917, 458026), (1043, 402694), (1537, 273266), (1834, 229013), (2086, 201347), (3074, 136633), (3799, 110558), (4321, 97202), (6943, 60494), (7598, 55279), (7897, 53186), (8642, 48601), (10759, 39038), (13886, 30247), (15794, 26593), (19519, 21518)]