About the Number

13989720

13989719 ← → 13989721

2進数表記:110101010111011101011000

漢数字表記:千三百九十八万九千七百二十

素因数分解:

2 3 × 3 1 × 5 1 × 73 1 × 1597 1

素因数の和:1684
約数の個数: 64
約数和(自身を含む): 42570720
約数和(自身を除く): 28581000

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1597, 1752, 2190, 2920, 3194, 4380, 4791, 6388, 7985, 8760, 9582, 12776, 15970, 19164, 23955, 31940, 38328, 47910, 63880, 95820, 116581, 191640, 233162, 349743, 466324, 582905, 699486, 932648, 1165810, 1398972, 1748715, 2331620, 2797944, 3497430, 4663240, 6994860, 13989720]

約数ペア:
[(1, 13989720), (2, 6994860), (3, 4663240), (4, 3497430), (5, 2797944), (6, 2331620), (8, 1748715), (10, 1398972), (12, 1165810), (15, 932648), (20, 699486), (24, 582905), (30, 466324), (40, 349743), (60, 233162), (73, 191640), (120, 116581), (146, 95820), (219, 63880), (292, 47910), (365, 38328), (438, 31940), (584, 23955), (730, 19164), (876, 15970), (1095, 12776), (1460, 9582), (1597, 8760), (1752, 7985), (2190, 6388), (2920, 4791), (3194, 4380)]

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