About the Number
27971970
2進数表記:1101010101101000110000010
漢数字表記:二千七百九十七万千九百七十
素因数分解:
素因数の和:4259
約数の個数: 64
約数和(自身を含む): 76567680
約数和(自身を除く): 48595710
約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 4219, 6630, 8438, 12657, 21095, 25314, 42190, 54847, 63285, 71723, 109694, 126570, 143446, 164541, 215169, 274235, 329082, 358615, 430338, 548470, 717230, 822705, 932399, 1075845, 1645410, 1864798, 2151690, 2797197, 4661995, 5594394, 9323990, 13985985, 27971970]
約数ペア:
[(1, 27971970), (2, 13985985), (3, 9323990), (5, 5594394), (6, 4661995), (10, 2797197), (13, 2151690), (15, 1864798), (17, 1645410), (26, 1075845), (30, 932399), (34, 822705), (39, 717230), (51, 548470), (65, 430338), (78, 358615), (85, 329082), (102, 274235), (130, 215169), (170, 164541), (195, 143446), (221, 126570), (255, 109694), (390, 71723), (442, 63285), (510, 54847), (663, 42190), (1105, 25314), (1326, 21095), (2210, 12657), (3315, 8438), (4219, 6630)]このpageの処理時間: 0.004849433898925781 seconds