201991583240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{15569}}^1$

素因数の和:16039

約数の個数: 128

約数和(自身を含む): 490791312000

約数和(自身を除く): 288799728760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 397, 430, 760, 794, 817, 860, 1588, 1634, 1720, 1985, 3176, 3268, 3970, 4085, 6536, 7543, 7940, 8170, 15086, 15569, 15880, 16340, 17071, 30172, 31138, 32680, 34142, 37715, 60344, 62276, 68284, 75430, 77845, 85355, 124552, 136568, 150860, 155690, 170710, 295811, 301720, 311380, 324349, 341420, 591622, 622760, 648698, 669467, 682840, 1183244, 1297396, 1338934, 1479055, 1621745, 2366488, 2594792, 2677868, 2958110, 3243490, 3347335, 5355736, 5916220, 6180893, 6486980, 6694670, 11832440, 12361786, 12719873, 12973960, 13389340, 24723572, 25439746, 26778680, 30904465, 49447144, 50879492, 61808930, 63599365, 101758984, 117436967, 123617860, 127198730, 234873934, 247235720, 254397460, 265778399, 469747868, 508794920, 531556798, 587184835, 939495736, 1063113596, 1174369670, 1328891995, 2126227192, 2348739340, 2657783990, 4697478680, 5049789581, 5315567980, 10099579162, 10631135960, 20199158324, 25248947905, 40398316648, 50497895810, 100995791620, 201991583240]

約数ペア:

[(1, 201991583240), (2, 100995791620), (4, 50497895810), (5, 40398316648), (8, 25248947905), (10, 20199158324), (19, 10631135960), (20, 10099579162), (38, 5315567980), (40, 5049789581), (43, 4697478680), (76, 2657783990), (86, 2348739340), (95, 2126227192), (152, 1328891995), (172, 1174369670), (190, 1063113596), (215, 939495736), (344, 587184835), (380, 531556798), (397, 508794920), (430, 469747868), (760, 265778399), (794, 254397460), (817, 247235720), (860, 234873934), (1588, 127198730), (1634, 123617860), (1720, 117436967), (1985, 101758984), (3176, 63599365), (3268, 61808930), (3970, 50879492), (4085, 49447144), (6536, 30904465), (7543, 26778680), (7940, 25439746), (8170, 24723572), (15086, 13389340), (15569, 12973960), (15880, 12719873), (16340, 12361786), (17071, 11832440), (30172, 6694670), (31138, 6486980), (32680, 6180893), (34142, 5916220), (37715, 5355736), (60344, 3347335), (62276, 3243490), (68284, 2958110), (75430, 2677868), (77845, 2594792), (85355, 2366488), (124552, 1621745), (136568, 1479055), (150860, 1338934), (155690, 1297396), (170710, 1183244), (295811, 682840), (301720, 669467), (311380, 648698), (324349, 622760), (341420, 591622)]