1955480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 2882920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 83, 95, 124, 152, 155, 166, 190, 248, 310, 332, 380, 415, 589, 620, 664, 760, 830, 1178, 1240, 1577, 1660, 2356, 2573, 2945, 3154, 3320, 4712, 5146, 5890, 6308, 7885, 10292, 11780, 12616, 12865, 15770, 20584, 23560, 25730, 31540, 48887, 51460, 63080, 97774, 102920, 195548, 244435, 391096, 488870, 977740, 1955480]

約数ペア:

[(1, 1955480), (2, 977740), (4, 488870), (5, 391096), (8, 244435), (10, 195548), (19, 102920), (20, 97774), (31, 63080), (38, 51460), (40, 48887), (62, 31540), (76, 25730), (83, 23560), (95, 20584), (124, 15770), (152, 12865), (155, 12616), (166, 11780), (190, 10292), (248, 7885), (310, 6308), (332, 5890), (380, 5146), (415, 4712), (589, 3320), (620, 3154), (664, 2945), (760, 2573), (830, 2356), (1178, 1660), (1240, 1577)]