628042500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 180

約数和(自身を含む): 2010456448

約数和(自身を除く): 1382413948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 103, 125, 150, 180, 206, 225, 250, 271, 300, 309, 375, 412, 450, 500, 515, 542, 618, 625, 750, 813, 900, 927, 1030, 1084, 1125, 1236, 1250, 1355, 1500, 1545, 1626, 1854, 1875, 2060, 2250, 2439, 2500, 2575, 2710, 3090, 3252, 3708, 3750, 4065, 4500, 4635, 4878, 5150, 5420, 5625, 6180, 6775, 7500, 7725, 8130, 9270, 9756, 10300, 11250, 12195, 12875, 13550, 15450, 16260, 18540, 20325, 22500, 23175, 24390, 25750, 27100, 27913, 30900, 33875, 38625, 40650, 46350, 48780, 51500, 55826, 60975, 64375, 67750, 77250, 81300, 83739, 92700, 101625, 111652, 115875, 121950, 128750, 135500, 139565, 154500, 167478, 169375, 193125, 203250, 231750, 243900, 251217, 257500, 279130, 304875, 334956, 338750, 386250, 406500, 418695, 463500, 502434, 508125, 558260, 579375, 609750, 677500, 697825, 772500, 837390, 1004868, 1016250, 1158750, 1219500, 1256085, 1395650, 1524375, 1674780, 2032500, 2093475, 2317500, 2512170, 2791300, 3048750, 3489125, 4186950, 5024340, 6097500, 6280425, 6978250, 8373900, 10467375, 12560850, 13956500, 17445625, 20934750, 25121700, 31402125, 34891250, 41869500, 52336875, 62804250, 69782500, 104673750, 125608500, 157010625, 209347500, 314021250, 628042500]

約数ペア:

[(1, 628042500), (2, 314021250), (3, 209347500), (4, 157010625), (5, 125608500), (6, 104673750), (9, 69782500), (10, 62804250), (12, 52336875), (15, 41869500), (18, 34891250), (20, 31402125), (25, 25121700), (30, 20934750), (36, 17445625), (45, 13956500), (50, 12560850), (60, 10467375), (75, 8373900), (90, 6978250), (100, 6280425), (103, 6097500), (125, 5024340), (150, 4186950), (180, 3489125), (206, 3048750), (225, 2791300), (250, 2512170), (271, 2317500), (300, 2093475), (309, 2032500), (375, 1674780), (412, 1524375), (450, 1395650), (500, 1256085), (515, 1219500), (542, 1158750), (618, 1016250), (625, 1004868), (750, 837390), (813, 772500), (900, 697825), (927, 677500), (1030, 609750), (1084, 579375), (1125, 558260), (1236, 508125), (1250, 502434), (1355, 463500), (1500, 418695), (1545, 406500), (1626, 386250), (1854, 338750), (1875, 334956), (2060, 304875), (2250, 279130), (2439, 257500), (2500, 251217), (2575, 243900), (2710, 231750), (3090, 203250), (3252, 193125), (3708, 169375), (3750, 167478), (4065, 154500), (4500, 139565), (4635, 135500), (4878, 128750), (5150, 121950), (5420, 115875), (5625, 111652), (6180, 101625), (6775, 92700), (7500, 83739), (7725, 81300), (8130, 77250), (9270, 67750), (9756, 64375), (10300, 60975), (11250, 55826), (12195, 51500), (12875, 48780), (13550, 46350), (15450, 40650), (16260, 38625), (18540, 33875), (20325, 30900), (22500, 27913), (23175, 27100), (24390, 25750)]