16880500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 47056464

約数和(自身を除く): 30175964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 53, 65, 70, 91, 98, 100, 106, 125, 130, 140, 175, 182, 196, 212, 245, 250, 260, 265, 325, 350, 364, 371, 455, 490, 500, 530, 637, 650, 689, 700, 742, 875, 910, 980, 1060, 1225, 1274, 1300, 1325, 1378, 1484, 1625, 1750, 1820, 1855, 2275, 2450, 2548, 2597, 2650, 2756, 3185, 3250, 3445, 3500, 3710, 4550, 4823, 4900, 5194, 5300, 6125, 6370, 6500, 6625, 6890, 7420, 9100, 9275, 9646, 10388, 11375, 12250, 12740, 12985, 13250, 13780, 15925, 17225, 18550, 19292, 22750, 24115, 24500, 25970, 26500, 31850, 33761, 34450, 37100, 45500, 46375, 48230, 51940, 63700, 64925, 67522, 68900, 79625, 86125, 92750, 96460, 120575, 129850, 135044, 159250, 168805, 172250, 185500, 241150, 259700, 318500, 324625, 337610, 344500, 482300, 602875, 649250, 675220, 844025, 1205750, 1298500, 1688050, 2411500, 3376100, 4220125, 8440250, 16880500]

約数ペア:

[(1, 16880500), (2, 8440250), (4, 4220125), (5, 3376100), (7, 2411500), (10, 1688050), (13, 1298500), (14, 1205750), (20, 844025), (25, 675220), (26, 649250), (28, 602875), (35, 482300), (49, 344500), (50, 337610), (52, 324625), (53, 318500), (65, 259700), (70, 241150), (91, 185500), (98, 172250), (100, 168805), (106, 159250), (125, 135044), (130, 129850), (140, 120575), (175, 96460), (182, 92750), (196, 86125), (212, 79625), (245, 68900), (250, 67522), (260, 64925), (265, 63700), (325, 51940), (350, 48230), (364, 46375), (371, 45500), (455, 37100), (490, 34450), (500, 33761), (530, 31850), (637, 26500), (650, 25970), (689, 24500), (700, 24115), (742, 22750), (875, 19292), (910, 18550), (980, 17225), (1060, 15925), (1225, 13780), (1274, 13250), (1300, 12985), (1325, 12740), (1378, 12250), (1484, 11375), (1625, 10388), (1750, 9646), (1820, 9275), (1855, 9100), (2275, 7420), (2450, 6890), (2548, 6625), (2597, 6500), (2650, 6370), (2756, 6125), (3185, 5300), (3250, 5194), (3445, 4900), (3500, 4823), (3710, 4550)]