210867700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 515592000

約数和(自身を除く): 304724300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 43, 50, 58, 76, 86, 89, 95, 100, 116, 145, 172, 178, 190, 215, 290, 356, 380, 430, 445, 475, 551, 580, 725, 817, 860, 890, 950, 1075, 1102, 1247, 1450, 1634, 1691, 1780, 1900, 2150, 2204, 2225, 2494, 2581, 2755, 2900, 3268, 3382, 3827, 4085, 4300, 4450, 4988, 5162, 5510, 6235, 6764, 7654, 8170, 8455, 8900, 10324, 11020, 12470, 12905, 13775, 15308, 16340, 16910, 19135, 20425, 23693, 24940, 25810, 27550, 31175, 33820, 38270, 40850, 42275, 47386, 49039, 51620, 55100, 62350, 64525, 72713, 76540, 81700, 84550, 94772, 95675, 98078, 110983, 118465, 124700, 129050, 145426, 169100, 191350, 196156, 221966, 236930, 245195, 258100, 290852, 363565, 382700, 443932, 473860, 490390, 554915, 592325, 727130, 980780, 1109830, 1184650, 1225975, 1454260, 1817825, 2108677, 2219660, 2369300, 2451950, 2774575, 3635650, 4217354, 4903900, 5549150, 7271300, 8434708, 10543385, 11098300, 21086770, 42173540, 52716925, 105433850, 210867700]

約数ペア:

[(1, 210867700), (2, 105433850), (4, 52716925), (5, 42173540), (10, 21086770), (19, 11098300), (20, 10543385), (25, 8434708), (29, 7271300), (38, 5549150), (43, 4903900), (50, 4217354), (58, 3635650), (76, 2774575), (86, 2451950), (89, 2369300), (95, 2219660), (100, 2108677), (116, 1817825), (145, 1454260), (172, 1225975), (178, 1184650), (190, 1109830), (215, 980780), (290, 727130), (356, 592325), (380, 554915), (430, 490390), (445, 473860), (475, 443932), (551, 382700), (580, 363565), (725, 290852), (817, 258100), (860, 245195), (890, 236930), (950, 221966), (1075, 196156), (1102, 191350), (1247, 169100), (1450, 145426), (1634, 129050), (1691, 124700), (1780, 118465), (1900, 110983), (2150, 98078), (2204, 95675), (2225, 94772), (2494, 84550), (2581, 81700), (2755, 76540), (2900, 72713), (3268, 64525), (3382, 62350), (3827, 55100), (4085, 51620), (4300, 49039), (4450, 47386), (4988, 42275), (5162, 40850), (5510, 38270), (6235, 33820), (6764, 31175), (7654, 27550), (8170, 25810), (8455, 24940), (8900, 23693), (10324, 20425), (11020, 19135), (12470, 16910), (12905, 16340), (13775, 15308)]