18680600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 47139840

約数和(自身を除く): 28459240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 31, 40, 46, 50, 62, 92, 100, 115, 124, 131, 155, 184, 200, 230, 248, 262, 310, 460, 524, 575, 620, 655, 713, 775, 920, 1048, 1150, 1240, 1310, 1426, 1550, 2300, 2620, 2852, 3013, 3100, 3275, 3565, 4061, 4600, 5240, 5704, 6026, 6200, 6550, 7130, 8122, 12052, 13100, 14260, 15065, 16244, 17825, 20305, 24104, 26200, 28520, 30130, 32488, 35650, 40610, 60260, 71300, 75325, 81220, 93403, 101525, 120520, 142600, 150650, 162440, 186806, 203050, 301300, 373612, 406100, 467015, 602600, 747224, 812200, 934030, 1868060, 2335075, 3736120, 4670150, 9340300, 18680600]

約数ペア:

[(1, 18680600), (2, 9340300), (4, 4670150), (5, 3736120), (8, 2335075), (10, 1868060), (20, 934030), (23, 812200), (25, 747224), (31, 602600), (40, 467015), (46, 406100), (50, 373612), (62, 301300), (92, 203050), (100, 186806), (115, 162440), (124, 150650), (131, 142600), (155, 120520), (184, 101525), (200, 93403), (230, 81220), (248, 75325), (262, 71300), (310, 60260), (460, 40610), (524, 35650), (575, 32488), (620, 30130), (655, 28520), (713, 26200), (775, 24104), (920, 20305), (1048, 17825), (1150, 16244), (1240, 15065), (1310, 14260), (1426, 13100), (1550, 12052), (2300, 8122), (2620, 7130), (2852, 6550), (3013, 6200), (3100, 6026), (3275, 5704), (3565, 5240), (4061, 4600)]