About the Number

49742190

49742189 ← → 49742191

2進数表記:10111101110000000101101110

漢数字表記:四千九百七十四万二千百九十

素因数分解:

2 1 × 3 2 × 5 1 × 19 2 × 1531 1

素因数の和:1582
約数の個数: 72
約数和(自身を含む): 136583928
約数和(自身を除く): 86841738

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 361, 570, 722, 855, 1083, 1531, 1710, 1805, 2166, 3062, 3249, 3610, 4593, 5415, 6498, 7655, 9186, 10830, 13779, 15310, 16245, 22965, 27558, 29089, 32490, 45930, 58178, 68895, 87267, 137790, 145445, 174534, 261801, 290890, 436335, 523602, 552691, 872670, 1105382, 1309005, 1658073, 2618010, 2763455, 3316146, 4974219, 5526910, 8290365, 9948438, 16580730, 24871095, 49742190]

約数ペア:
[(1, 49742190), (2, 24871095), (3, 16580730), (5, 9948438), (6, 8290365), (9, 5526910), (10, 4974219), (15, 3316146), (18, 2763455), (19, 2618010), (30, 1658073), (38, 1309005), (45, 1105382), (57, 872670), (90, 552691), (95, 523602), (114, 436335), (171, 290890), (190, 261801), (285, 174534), (342, 145445), (361, 137790), (570, 87267), (722, 68895), (855, 58178), (1083, 45930), (1531, 32490), (1710, 29089), (1805, 27558), (2166, 22965), (3062, 16245), (3249, 15310), (3610, 13779), (4593, 10830), (5415, 9186), (6498, 7655)]

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