290415720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{345733}}^1$

素因数の和:345754

約数の個数: 64

約数和(自身を含む): 995713920

約数和(自身を除く): 705298200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 345733, 691466, 1037199, 1382932, 1728665, 2074398, 2420131, 2765864, 3457330, 4148796, 4840262, 5185995, 6914660, 7260393, 8297592, 9680524, 10371990, 12100655, 13829320, 14520786, 19361048, 20743980, 24201310, 29041572, 36301965, 41487960, 48402620, 58083144, 72603930, 96805240, 145207860, 290415720]

約数ペア:

[(1, 290415720), (2, 145207860), (3, 96805240), (4, 72603930), (5, 58083144), (6, 48402620), (7, 41487960), (8, 36301965), (10, 29041572), (12, 24201310), (14, 20743980), (15, 19361048), (20, 14520786), (21, 13829320), (24, 12100655), (28, 10371990), (30, 9680524), (35, 8297592), (40, 7260393), (42, 6914660), (56, 5185995), (60, 4840262), (70, 4148796), (84, 3457330), (105, 2765864), (120, 2420131), (140, 2074398), (168, 1728665), (210, 1382932), (280, 1037199), (420, 691466), (840, 345733)]