1900291004

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 3790553760

約数和(自身を除く): 1890262756

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 361, 437, 551, 667, 722, 874, 1102, 1334, 1444, 1748, 1973, 2204, 2668, 3946, 7892, 8303, 10469, 12673, 16606, 20938, 25346, 33212, 37487, 41876, 45379, 50692, 57217, 74974, 90758, 114434, 149948, 181516, 228868, 240787, 481574, 712253, 862201, 963148, 1087123, 1315991, 1424506, 1724402, 2174246, 2631982, 2849012, 3448804, 4348492, 5263964, 16381819, 20655337, 25003829, 32763638, 41310674, 50007658, 65527276, 82621348, 100015316, 475072751, 950145502, 1900291004]

約数ペア:

[(1, 1900291004), (2, 950145502), (4, 475072751), (19, 100015316), (23, 82621348), (29, 65527276), (38, 50007658), (46, 41310674), (58, 32763638), (76, 25003829), (92, 20655337), (116, 16381819), (361, 5263964), (437, 4348492), (551, 3448804), (667, 2849012), (722, 2631982), (874, 2174246), (1102, 1724402), (1334, 1424506), (1444, 1315991), (1748, 1087123), (1973, 963148), (2204, 862201), (2668, 712253), (3946, 481574), (7892, 240787), (8303, 228868), (10469, 181516), (12673, 149948), (16606, 114434), (20938, 90758), (25346, 74974), (33212, 57217), (37487, 50692), (41876, 45379)]