40194700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 108

約数和(自身を含む): 109440912

約数和(自身を除く): 69246212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 350, 364, 455, 490, 631, 637, 650, 700, 910, 980, 1225, 1262, 1274, 1300, 1820, 2275, 2450, 2524, 2548, 3155, 3185, 4417, 4550, 4900, 6310, 6370, 8203, 8834, 9100, 12620, 12740, 15775, 15925, 16406, 17668, 22085, 30919, 31550, 31850, 32812, 41015, 44170, 57421, 61838, 63100, 63700, 82030, 88340, 110425, 114842, 123676, 154595, 164060, 205075, 220850, 229684, 287105, 309190, 401947, 410150, 441700, 574210, 618380, 772975, 803894, 820300, 1148420, 1435525, 1545950, 1607788, 2009735, 2871050, 3091900, 4019470, 5742100, 8038940, 10048675, 20097350, 40194700]

約数ペア:

[(1, 40194700), (2, 20097350), (4, 10048675), (5, 8038940), (7, 5742100), (10, 4019470), (13, 3091900), (14, 2871050), (20, 2009735), (25, 1607788), (26, 1545950), (28, 1435525), (35, 1148420), (49, 820300), (50, 803894), (52, 772975), (65, 618380), (70, 574210), (91, 441700), (98, 410150), (100, 401947), (130, 309190), (140, 287105), (175, 229684), (182, 220850), (196, 205075), (245, 164060), (260, 154595), (325, 123676), (350, 114842), (364, 110425), (455, 88340), (490, 82030), (631, 63700), (637, 63100), (650, 61838), (700, 57421), (910, 44170), (980, 41015), (1225, 32812), (1262, 31850), (1274, 31550), (1300, 30919), (1820, 22085), (2275, 17668), (2450, 16406), (2524, 15925), (2548, 15775), (3155, 12740), (3185, 12620), (4417, 9100), (4550, 8834), (4900, 8203), (6310, 6370)]