203890960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4041

約数の個数: 120

約数和(自身を含む): 594008856

約数和(自身を除く): 390117896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 4001, 5096, 6370, 7280, 8002, 10192, 12740, 16004, 20005, 25480, 28007, 32008, 40010, 50960, 52013, 56014, 64016, 80020, 104026, 112028, 140035, 160040, 196049, 208052, 224056, 260065, 280070, 320080, 364091, 392098, 416104, 448112, 520130, 560140, 728182, 784196, 832208, 980245, 1040260, 1120280, 1456364, 1568392, 1820455, 1960490, 2080520, 2240560, 2548637, 2912728, 3136784, 3640910, 3920980, 4161040, 5097274, 5825456, 7281820, 7841960, 10194548, 12743185, 14563640, 15683920, 20389096, 25486370, 29127280, 40778192, 50972740, 101945480, 203890960]

約数ペア:

[(1, 203890960), (2, 101945480), (4, 50972740), (5, 40778192), (7, 29127280), (8, 25486370), (10, 20389096), (13, 15683920), (14, 14563640), (16, 12743185), (20, 10194548), (26, 7841960), (28, 7281820), (35, 5825456), (40, 5097274), (49, 4161040), (52, 3920980), (56, 3640910), (65, 3136784), (70, 2912728), (80, 2548637), (91, 2240560), (98, 2080520), (104, 1960490), (112, 1820455), (130, 1568392), (140, 1456364), (182, 1120280), (196, 1040260), (208, 980245), (245, 832208), (260, 784196), (280, 728182), (364, 560140), (392, 520130), (455, 448112), (490, 416104), (520, 392098), (560, 364091), (637, 320080), (728, 280070), (784, 260065), (910, 224056), (980, 208052), (1040, 196049), (1274, 160040), (1456, 140035), (1820, 112028), (1960, 104026), (2548, 80020), (3185, 64016), (3640, 56014), (3920, 52013), (4001, 50960), (5096, 40010), (6370, 32008), (7280, 28007), (8002, 25480), (10192, 20005), (12740, 16004)]