47811990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 122316480

約数和(自身を除く): 74504490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 241, 255, 389, 482, 510, 723, 778, 1167, 1205, 1446, 1945, 2334, 2410, 3615, 3890, 4097, 5835, 6613, 7230, 8194, 11670, 12291, 13226, 19839, 20485, 24582, 33065, 39678, 40970, 61455, 66130, 93749, 99195, 122910, 187498, 198390, 281247, 468745, 562494, 937490, 1406235, 1593733, 2812470, 3187466, 4781199, 7968665, 9562398, 15937330, 23905995, 47811990]

約数ペア:

[(1, 47811990), (2, 23905995), (3, 15937330), (5, 9562398), (6, 7968665), (10, 4781199), (15, 3187466), (17, 2812470), (30, 1593733), (34, 1406235), (51, 937490), (85, 562494), (102, 468745), (170, 281247), (241, 198390), (255, 187498), (389, 122910), (482, 99195), (510, 93749), (723, 66130), (778, 61455), (1167, 40970), (1205, 39678), (1446, 33065), (1945, 24582), (2334, 20485), (2410, 19839), (3615, 13226), (3890, 12291), (4097, 11670), (5835, 8194), (6613, 7230)]