About the Number

978892980

978892979 ← → 978892981

2進数表記:111010010110001011100010110100

漢数字表記:九億七千八百八十九万二千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 17 1 × 73823 1

素因数の和:73865
約数の個数: 96
約数和(自身を含む): 3125412864
約数和(自身を除く): 2146519884

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 6630, 13260, 73823, 147646, 221469, 295292, 369115, 442938, 738230, 885876, 959699, 1107345, 1254991, 1476460, 1919398, 2214690, 2509982, 2879097, 3764973, 3838796, 4429380, 4798495, 5019964, 5758194, 6274955, 7529946, 9596990, 11516388, 12549910, 14395485, 15059892, 16314883, 18824865, 19193980, 25099820, 28790970, 32629766, 37649730, 48944649, 57581940, 65259532, 75299460, 81574415, 97889298, 163148830, 195778596, 244723245, 326297660, 489446490, 978892980]

約数ペア:
[(1, 978892980), (2, 489446490), (3, 326297660), (4, 244723245), (5, 195778596), (6, 163148830), (10, 97889298), (12, 81574415), (13, 75299460), (15, 65259532), (17, 57581940), (20, 48944649), (26, 37649730), (30, 32629766), (34, 28790970), (39, 25099820), (51, 19193980), (52, 18824865), (60, 16314883), (65, 15059892), (68, 14395485), (78, 12549910), (85, 11516388), (102, 9596990), (130, 7529946), (156, 6274955), (170, 5758194), (195, 5019964), (204, 4798495), (221, 4429380), (255, 3838796), (260, 3764973), (340, 2879097), (390, 2509982), (442, 2214690), (510, 1919398), (663, 1476460), (780, 1254991), (884, 1107345), (1020, 959699), (1105, 885876), (1326, 738230), (2210, 442938), (2652, 369115), (3315, 295292), (4420, 221469), (6630, 147646), (13260, 73823)]

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