2008222700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 4890624480

約数和(自身を除く): 2882401780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 89, 100, 110, 146, 178, 220, 275, 281, 292, 356, 365, 445, 550, 562, 730, 803, 890, 979, 1100, 1124, 1405, 1460, 1606, 1780, 1825, 1958, 2225, 2810, 3091, 3212, 3650, 3916, 4015, 4450, 4895, 5620, 6182, 6497, 7025, 7300, 8030, 8900, 9790, 12364, 12994, 14050, 15455, 16060, 19580, 20075, 20513, 24475, 25009, 25988, 28100, 30910, 32485, 40150, 41026, 48950, 50018, 61820, 64970, 71467, 77275, 80300, 82052, 97900, 100036, 102565, 125045, 129940, 142934, 154550, 162425, 205130, 225643, 250090, 275099, 285868, 309100, 324850, 357335, 410260, 451286, 500180, 512825, 550198, 625225, 649700, 714670, 902572, 1025650, 1100396, 1128215, 1250450, 1375495, 1429340, 1786675, 1825657, 2051300, 2256430, 2500900, 2750990, 3573350, 3651314, 4512860, 5501980, 5641075, 6877475, 7146700, 7302628, 9128285, 11282150, 13754950, 18256570, 20082227, 22564300, 27509900, 36513140, 40164454, 45641425, 80328908, 91282850, 100411135, 182565700, 200822270, 401644540, 502055675, 1004111350, 2008222700]

約数ペア:

[(1, 2008222700), (2, 1004111350), (4, 502055675), (5, 401644540), (10, 200822270), (11, 182565700), (20, 100411135), (22, 91282850), (25, 80328908), (44, 45641425), (50, 40164454), (55, 36513140), (73, 27509900), (89, 22564300), (100, 20082227), (110, 18256570), (146, 13754950), (178, 11282150), (220, 9128285), (275, 7302628), (281, 7146700), (292, 6877475), (356, 5641075), (365, 5501980), (445, 4512860), (550, 3651314), (562, 3573350), (730, 2750990), (803, 2500900), (890, 2256430), (979, 2051300), (1100, 1825657), (1124, 1786675), (1405, 1429340), (1460, 1375495), (1606, 1250450), (1780, 1128215), (1825, 1100396), (1958, 1025650), (2225, 902572), (2810, 714670), (3091, 649700), (3212, 625225), (3650, 550198), (3916, 512825), (4015, 500180), (4450, 451286), (4895, 410260), (5620, 357335), (6182, 324850), (6497, 309100), (7025, 285868), (7300, 275099), (8030, 250090), (8900, 225643), (9790, 205130), (12364, 162425), (12994, 154550), (14050, 142934), (15455, 129940), (16060, 125045), (19580, 102565), (20075, 100036), (20513, 97900), (24475, 82052), (25009, 80300), (25988, 77275), (28100, 71467), (30910, 64970), (32485, 61820), (40150, 50018), (41026, 48950)]