1947659440900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1\times {\mathrm{1867}}^1$

素因数の和:3090

約数の個数: 144

約数和(自身を含む): 4380387192832

約数和(自身を除く): 2432727751932

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 487, 620, 691, 775, 974, 1382, 1550, 1867, 1948, 2435, 2764, 3100, 3455, 3734, 4870, 6910, 7468, 9335, 9740, 12175, 13820, 15097, 17275, 18670, 21421, 24350, 30194, 34550, 37340, 42842, 46675, 48700, 57877, 60388, 69100, 75485, 85684, 93350, 107105, 115754, 150970, 186700, 214210, 231508, 289385, 301940, 336517, 377425, 428420, 535525, 578770, 673034, 754850, 909229, 1071050, 1157540, 1290097, 1346068, 1446925, 1509700, 1682585, 1818458, 2142100, 2580194, 2893850, 3365170, 3636916, 4546145, 5160388, 5787700, 6450485, 6730340, 8412925, 9092290, 10432027, 12900970, 16825850, 18184580, 20864054, 22730725, 25801940, 28186099, 32252425, 33651700, 39993007, 41728108, 45461450, 52160135, 56372198, 64504850, 79986014, 90922900, 104320270, 112744396, 129009700, 140930495, 159972028, 199965035, 208640540, 260800675, 281860990, 399930070, 521601350, 563721980, 628277239, 704652475, 799860140, 999825175, 1043202700, 1256554478, 1409304950, 1999650350, 2513108956, 2818609900, 3141386195, 3999300700, 6282772390, 12565544780, 15706930975, 19476594409, 31413861950, 38953188818, 62827723900, 77906377636, 97382972045, 194765944090, 389531888180, 486914860225, 973829720450, 1947659440900]

約数ペア:

[(1, 1947659440900), (2, 973829720450), (4, 486914860225), (5, 389531888180), (10, 194765944090), (20, 97382972045), (25, 77906377636), (31, 62827723900), (50, 38953188818), (62, 31413861950), (100, 19476594409), (124, 15706930975), (155, 12565544780), (310, 6282772390), (487, 3999300700), (620, 3141386195), (691, 2818609900), (775, 2513108956), (974, 1999650350), (1382, 1409304950), (1550, 1256554478), (1867, 1043202700), (1948, 999825175), (2435, 799860140), (2764, 704652475), (3100, 628277239), (3455, 563721980), (3734, 521601350), (4870, 399930070), (6910, 281860990), (7468, 260800675), (9335, 208640540), (9740, 199965035), (12175, 159972028), (13820, 140930495), (15097, 129009700), (17275, 112744396), (18670, 104320270), (21421, 90922900), (24350, 79986014), (30194, 64504850), (34550, 56372198), (37340, 52160135), (42842, 45461450), (46675, 41728108), (48700, 39993007), (57877, 33651700), (60388, 32252425), (69100, 28186099), (75485, 25801940), (85684, 22730725), (93350, 20864054), (107105, 18184580), (115754, 16825850), (150970, 12900970), (186700, 10432027), (214210, 9092290), (231508, 8412925), (289385, 6730340), (301940, 6450485), (336517, 5787700), (377425, 5160388), (428420, 4546145), (535525, 3636916), (578770, 3365170), (673034, 2893850), (754850, 2580194), (909229, 2142100), (1071050, 1818458), (1157540, 1682585), (1290097, 1509700), (1346068, 1446925)]