638505810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:888

約数の個数: 96

約数和(自身を含む): 1704748032

約数和(自身を除く): 1066242222

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 271, 282, 423, 470, 542, 557, 705, 813, 846, 1114, 1355, 1410, 1626, 1671, 2115, 2439, 2710, 2785, 3342, 4065, 4230, 4878, 5013, 5570, 8130, 8355, 10026, 12195, 12737, 16710, 24390, 25065, 25474, 26179, 38211, 50130, 52358, 63685, 76422, 78537, 114633, 127370, 130895, 150947, 157074, 191055, 229266, 235611, 261790, 301894, 382110, 392685, 452841, 471222, 573165, 754735, 785370, 905682, 1146330, 1178055, 1358523, 1509470, 2264205, 2356110, 2717046, 4528410, 6792615, 7094509, 13585230, 14189018, 21283527, 35472545, 42567054, 63850581, 70945090, 106417635, 127701162, 212835270, 319252905, 638505810]

約数ペア:

[(1, 638505810), (2, 319252905), (3, 212835270), (5, 127701162), (6, 106417635), (9, 70945090), (10, 63850581), (15, 42567054), (18, 35472545), (30, 21283527), (45, 14189018), (47, 13585230), (90, 7094509), (94, 6792615), (141, 4528410), (235, 2717046), (271, 2356110), (282, 2264205), (423, 1509470), (470, 1358523), (542, 1178055), (557, 1146330), (705, 905682), (813, 785370), (846, 754735), (1114, 573165), (1355, 471222), (1410, 452841), (1626, 392685), (1671, 382110), (2115, 301894), (2439, 261790), (2710, 235611), (2785, 229266), (3342, 191055), (4065, 157074), (4230, 150947), (4878, 130895), (5013, 127370), (5570, 114633), (8130, 78537), (8355, 76422), (10026, 63685), (12195, 52358), (12737, 50130), (16710, 38211), (24390, 26179), (25065, 25474)]