397753980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26839}}^1$

素因数の和:26883

約数の個数: 96

約数和(自身を含む): 1262553600

約数和(自身を除く): 864799620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 26839, 53678, 80517, 107356, 134195, 161034, 268390, 322068, 348907, 402585, 509941, 536780, 697814, 805170, 1019882, 1046721, 1395628, 1529823, 1610340, 1744535, 2039764, 2093442, 2549705, 3059646, 3489070, 4186884, 5099410, 5233605, 6119292, 6629233, 6978140, 7649115, 10198820, 10467210, 13258466, 15298230, 19887699, 20934420, 26516932, 30596460, 33146165, 39775398, 66292330, 79550796, 99438495, 132584660, 198876990, 397753980]

約数ペア:

[(1, 397753980), (2, 198876990), (3, 132584660), (4, 99438495), (5, 79550796), (6, 66292330), (10, 39775398), (12, 33146165), (13, 30596460), (15, 26516932), (19, 20934420), (20, 19887699), (26, 15298230), (30, 13258466), (38, 10467210), (39, 10198820), (52, 7649115), (57, 6978140), (60, 6629233), (65, 6119292), (76, 5233605), (78, 5099410), (95, 4186884), (114, 3489070), (130, 3059646), (156, 2549705), (190, 2093442), (195, 2039764), (228, 1744535), (247, 1610340), (260, 1529823), (285, 1395628), (380, 1046721), (390, 1019882), (494, 805170), (570, 697814), (741, 536780), (780, 509941), (988, 402585), (1140, 348907), (1235, 322068), (1482, 268390), (2470, 161034), (2964, 134195), (3705, 107356), (4940, 80517), (7410, 53678), (14820, 26839)]