About the Number

1242587970

1242587969 ← → 1242587971

2進数表記:1001010000100000110001101000010

漢数字表記:十二億四千二百五十八万七千九百七十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 17 1 × 62473 1

素因数の和:62516
約数の個数: 96
約数和(自身を含む): 3683966832
約数和(自身を除く): 2441378862

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1989, 2210, 3315, 3978, 6630, 9945, 19890, 62473, 124946, 187419, 312365, 374838, 562257, 624730, 812149, 937095, 1062041, 1124514, 1624298, 1874190, 2124082, 2436447, 2811285, 3186123, 4060745, 4872894, 5310205, 5622570, 6372246, 7309341, 8121490, 9558369, 10620410, 12182235, 13806533, 14618682, 15930615, 19116738, 24364470, 27613066, 31861230, 36546705, 41419599, 47791845, 69032665, 73093410, 82839198, 95583690, 124258797, 138065330, 207097995, 248517594, 414195990, 621293985, 1242587970]

約数ペア:
[(1, 1242587970), (2, 621293985), (3, 414195990), (5, 248517594), (6, 207097995), (9, 138065330), (10, 124258797), (13, 95583690), (15, 82839198), (17, 73093410), (18, 69032665), (26, 47791845), (30, 41419599), (34, 36546705), (39, 31861230), (45, 27613066), (51, 24364470), (65, 19116738), (78, 15930615), (85, 14618682), (90, 13806533), (102, 12182235), (117, 10620410), (130, 9558369), (153, 8121490), (170, 7309341), (195, 6372246), (221, 5622570), (234, 5310205), (255, 4872894), (306, 4060745), (390, 3186123), (442, 2811285), (510, 2436447), (585, 2124082), (663, 1874190), (765, 1624298), (1105, 1124514), (1170, 1062041), (1326, 937095), (1530, 812149), (1989, 624730), (2210, 562257), (3315, 374838), (3978, 312365), (6630, 187419), (9945, 124946), (19890, 62473)]

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