70309880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 168998400

約数和(自身を除く): 98688520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1303, 1349, 1420, 2606, 2698, 2840, 5212, 5396, 6515, 6745, 10424, 10792, 13030, 13490, 24757, 26060, 26980, 49514, 52120, 53960, 92513, 99028, 123785, 185026, 198056, 247570, 370052, 462565, 495140, 740104, 925130, 990280, 1757747, 1850260, 3515494, 3700520, 7030988, 8788735, 14061976, 17577470, 35154940, 70309880]

約数ペア:

[(1, 70309880), (2, 35154940), (4, 17577470), (5, 14061976), (8, 8788735), (10, 7030988), (19, 3700520), (20, 3515494), (38, 1850260), (40, 1757747), (71, 990280), (76, 925130), (95, 740104), (142, 495140), (152, 462565), (190, 370052), (284, 247570), (355, 198056), (380, 185026), (568, 123785), (710, 99028), (760, 92513), (1303, 53960), (1349, 52120), (1420, 49514), (2606, 26980), (2698, 26060), (2840, 24757), (5212, 13490), (5396, 13030), (6515, 10792), (6745, 10424)]