421918900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 1046433024

約数和(自身を除く): 624514124

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 103, 115, 130, 137, 206, 230, 260, 274, 299, 325, 412, 460, 515, 548, 575, 598, 650, 685, 1030, 1150, 1196, 1300, 1339, 1370, 1495, 1781, 2060, 2300, 2369, 2575, 2678, 2740, 2990, 3151, 3425, 3562, 4738, 5150, 5356, 5980, 6302, 6695, 6850, 7124, 7475, 8905, 9476, 10300, 11845, 12604, 13390, 13700, 14111, 14950, 15755, 17810, 23690, 26780, 28222, 29900, 30797, 31510, 33475, 35620, 40963, 44525, 47380, 56444, 59225, 61594, 63020, 66950, 70555, 78775, 81926, 89050, 118450, 123188, 133900, 141110, 153985, 157550, 163852, 178100, 183443, 204815, 236900, 282220, 307970, 315100, 324553, 352775, 366886, 409630, 615940, 649106, 705550, 733772, 769925, 819260, 917215, 1024075, 1298212, 1411100, 1539850, 1622765, 1834430, 2048150, 3079700, 3245530, 3668860, 4096300, 4219189, 4586075, 6491060, 8113825, 8438378, 9172150, 16227650, 16876756, 18344300, 21095945, 32455300, 42191890, 84383780, 105479725, 210959450, 421918900]

約数ペア:

[(1, 421918900), (2, 210959450), (4, 105479725), (5, 84383780), (10, 42191890), (13, 32455300), (20, 21095945), (23, 18344300), (25, 16876756), (26, 16227650), (46, 9172150), (50, 8438378), (52, 8113825), (65, 6491060), (92, 4586075), (100, 4219189), (103, 4096300), (115, 3668860), (130, 3245530), (137, 3079700), (206, 2048150), (230, 1834430), (260, 1622765), (274, 1539850), (299, 1411100), (325, 1298212), (412, 1024075), (460, 917215), (515, 819260), (548, 769925), (575, 733772), (598, 705550), (650, 649106), (685, 615940), (1030, 409630), (1150, 366886), (1196, 352775), (1300, 324553), (1339, 315100), (1370, 307970), (1495, 282220), (1781, 236900), (2060, 204815), (2300, 183443), (2369, 178100), (2575, 163852), (2678, 157550), (2740, 153985), (2990, 141110), (3151, 133900), (3425, 123188), (3562, 118450), (4738, 89050), (5150, 81926), (5356, 78775), (5980, 70555), (6302, 66950), (6695, 63020), (6850, 61594), (7124, 59225), (7475, 56444), (8905, 47380), (9476, 44525), (10300, 40963), (11845, 35620), (12604, 33475), (13390, 31510), (13700, 30797), (14111, 29900), (14950, 28222), (15755, 26780), (17810, 23690)]