7777372220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 17396332800

約数和(自身を除く): 9618960580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 307, 326, 380, 409, 614, 652, 815, 818, 1228, 1535, 1630, 1636, 2045, 3070, 3097, 3260, 4090, 5833, 6140, 6194, 7771, 8180, 11666, 12388, 15485, 15542, 23332, 29165, 30970, 31084, 38855, 50041, 58330, 61940, 66667, 77710, 100082, 116660, 125563, 133334, 155420, 200164, 250205, 251126, 266668, 333335, 500410, 502252, 627815, 666670, 950779, 1000820, 1255630, 1266673, 1333340, 1901558, 2385697, 2511260, 2533346, 3803116, 4753895, 4771394, 5066692, 6333365, 9507790, 9542788, 11928485, 12666730, 19015580, 20466769, 23856970, 25333460, 40933538, 47713940, 81867076, 102333845, 204667690, 388868611, 409335380, 777737222, 1555474444, 1944343055, 3888686110, 7777372220]

約数ペア:

[(1, 7777372220), (2, 3888686110), (4, 1944343055), (5, 1555474444), (10, 777737222), (19, 409335380), (20, 388868611), (38, 204667690), (76, 102333845), (95, 81867076), (163, 47713940), (190, 40933538), (307, 25333460), (326, 23856970), (380, 20466769), (409, 19015580), (614, 12666730), (652, 11928485), (815, 9542788), (818, 9507790), (1228, 6333365), (1535, 5066692), (1630, 4771394), (1636, 4753895), (2045, 3803116), (3070, 2533346), (3097, 2511260), (3260, 2385697), (4090, 1901558), (5833, 1333340), (6140, 1266673), (6194, 1255630), (7771, 1000820), (8180, 950779), (11666, 666670), (12388, 627815), (15485, 502252), (15542, 500410), (23332, 333335), (29165, 266668), (30970, 251126), (31084, 250205), (38855, 200164), (50041, 155420), (58330, 133334), (61940, 125563), (66667, 116660), (77710, 100082)]