About the Number

190172008

190172007 ← → 190172009

2進数表記:1011010101011100101101101000

漢数字表記:一億九千十七万二千八

素因数分解:

2 3 × 13 1 × 37 1 × 73 1 × 677 1

素因数の和:806
約数の個数: 64
約数和(自身を含む): 400372560
約数和(自身を除く): 210200552

約数列:
[1, 2, 4, 8, 13, 26, 37, 52, 73, 74, 104, 146, 148, 292, 296, 481, 584, 677, 949, 962, 1354, 1898, 1924, 2701, 2708, 3796, 3848, 5402, 5416, 7592, 8801, 10804, 17602, 21608, 25049, 35113, 35204, 49421, 50098, 70226, 70408, 98842, 100196, 140452, 197684, 200392, 280904, 325637, 395368, 642473, 651274, 1284946, 1302548, 1828577, 2569892, 2605096, 3657154, 5139784, 7314308, 14628616, 23771501, 47543002, 95086004, 190172008]

約数ペア:
[(1, 190172008), (2, 95086004), (4, 47543002), (8, 23771501), (13, 14628616), (26, 7314308), (37, 5139784), (52, 3657154), (73, 2605096), (74, 2569892), (104, 1828577), (146, 1302548), (148, 1284946), (292, 651274), (296, 642473), (481, 395368), (584, 325637), (677, 280904), (949, 200392), (962, 197684), (1354, 140452), (1898, 100196), (1924, 98842), (2701, 70408), (2708, 70226), (3796, 50098), (3848, 49421), (5402, 35204), (5416, 35113), (7592, 25049), (8801, 21608), (10804, 17602)]

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