431994920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 1157621760

約数和(自身を除く): 725626840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 157, 217, 248, 280, 310, 314, 317, 434, 620, 628, 634, 785, 868, 1085, 1099, 1240, 1256, 1268, 1570, 1585, 1736, 2170, 2198, 2219, 2536, 3140, 3170, 4340, 4396, 4438, 4867, 5495, 6280, 6340, 8680, 8792, 8876, 9734, 9827, 10990, 11095, 12680, 17752, 19468, 19654, 21980, 22190, 24335, 34069, 38936, 39308, 43960, 44380, 48670, 49135, 49769, 68138, 68789, 78616, 88760, 97340, 98270, 99538, 136276, 137578, 170345, 194680, 196540, 199076, 248845, 272552, 275156, 340690, 343945, 348383, 393080, 398152, 497690, 550312, 681380, 687890, 696766, 995380, 1362760, 1375780, 1393532, 1542839, 1741915, 1990760, 2751560, 2787064, 3085678, 3483830, 6171356, 6967660, 7714195, 10799873, 12342712, 13935320, 15428390, 21599746, 30856780, 43199492, 53999365, 61713560, 86398984, 107998730, 215997460, 431994920]

約数ペア:

[(1, 431994920), (2, 215997460), (4, 107998730), (5, 86398984), (7, 61713560), (8, 53999365), (10, 43199492), (14, 30856780), (20, 21599746), (28, 15428390), (31, 13935320), (35, 12342712), (40, 10799873), (56, 7714195), (62, 6967660), (70, 6171356), (124, 3483830), (140, 3085678), (155, 2787064), (157, 2751560), (217, 1990760), (248, 1741915), (280, 1542839), (310, 1393532), (314, 1375780), (317, 1362760), (434, 995380), (620, 696766), (628, 687890), (634, 681380), (785, 550312), (868, 497690), (1085, 398152), (1099, 393080), (1240, 348383), (1256, 343945), (1268, 340690), (1570, 275156), (1585, 272552), (1736, 248845), (2170, 199076), (2198, 196540), (2219, 194680), (2536, 170345), (3140, 137578), (3170, 136276), (4340, 99538), (4396, 98270), (4438, 97340), (4867, 88760), (5495, 78616), (6280, 68789), (6340, 68138), (8680, 49769), (8792, 49135), (8876, 48670), (9734, 44380), (9827, 43960), (10990, 39308), (11095, 38936), (12680, 34069), (17752, 24335), (19468, 22190), (19654, 21980)]