72453820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 158393088

約数和(自身を除く): 85939268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 853, 1370, 1706, 2740, 3412, 4247, 4265, 8494, 8530, 16988, 17060, 21235, 26443, 42470, 52886, 84940, 105772, 116861, 132215, 233722, 264430, 467444, 528860, 584305, 1168610, 2337220, 3622691, 7245382, 14490764, 18113455, 36226910, 72453820]

約数ペア:

[(1, 72453820), (2, 36226910), (4, 18113455), (5, 14490764), (10, 7245382), (20, 3622691), (31, 2337220), (62, 1168610), (124, 584305), (137, 528860), (155, 467444), (274, 264430), (310, 233722), (548, 132215), (620, 116861), (685, 105772), (853, 84940), (1370, 52886), (1706, 42470), (2740, 26443), (3412, 21235), (4247, 17060), (4265, 16988), (8494, 8530)]