201913660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 481219200

約数和(自身を除く): 279305540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 61, 65, 116, 122, 130, 145, 244, 260, 290, 305, 377, 439, 580, 610, 754, 793, 878, 1220, 1508, 1586, 1756, 1769, 1885, 2195, 3172, 3538, 3770, 3965, 4390, 5707, 7076, 7540, 7930, 8780, 8845, 11414, 12731, 15860, 17690, 22828, 22997, 25462, 26779, 28535, 35380, 45994, 50924, 53558, 57070, 63655, 91988, 107116, 114140, 114985, 127310, 133895, 165503, 229970, 254620, 267790, 331006, 348127, 459940, 535580, 662012, 696254, 776591, 827515, 1392508, 1553182, 1655030, 1740635, 3106364, 3310060, 3481270, 3882955, 6962540, 7765910, 10095683, 15531820, 20191366, 40382732, 50478415, 100956830, 201913660]

約数ペア:

[(1, 201913660), (2, 100956830), (4, 50478415), (5, 40382732), (10, 20191366), (13, 15531820), (20, 10095683), (26, 7765910), (29, 6962540), (52, 3882955), (58, 3481270), (61, 3310060), (65, 3106364), (116, 1740635), (122, 1655030), (130, 1553182), (145, 1392508), (244, 827515), (260, 776591), (290, 696254), (305, 662012), (377, 535580), (439, 459940), (580, 348127), (610, 331006), (754, 267790), (793, 254620), (878, 229970), (1220, 165503), (1508, 133895), (1586, 127310), (1756, 114985), (1769, 114140), (1885, 107116), (2195, 91988), (3172, 63655), (3538, 57070), (3770, 53558), (3965, 50924), (4390, 45994), (5707, 35380), (7076, 28535), (7540, 26779), (7930, 25462), (8780, 22997), (8845, 22828), (11414, 17690), (12731, 15860)]