406695870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{215183}}^1$

素因数の和:215206

約数の個数: 64

約数和(自身を含む): 1239459840

約数和(自身を除く): 832763970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 215183, 430366, 645549, 1075915, 1291098, 1506281, 1936647, 2151830, 3012562, 3227745, 3873294, 4518843, 5809941, 6455490, 7531405, 9037686, 9683235, 11619882, 13556529, 15062810, 19366470, 22594215, 27113058, 29049705, 40669587, 45188430, 58099410, 67782645, 81339174, 135565290, 203347935, 406695870]

約数ペア:

[(1, 406695870), (2, 203347935), (3, 135565290), (5, 81339174), (6, 67782645), (7, 58099410), (9, 45188430), (10, 40669587), (14, 29049705), (15, 27113058), (18, 22594215), (21, 19366470), (27, 15062810), (30, 13556529), (35, 11619882), (42, 9683235), (45, 9037686), (54, 7531405), (63, 6455490), (70, 5809941), (90, 4518843), (105, 3873294), (126, 3227745), (135, 3012562), (189, 2151830), (210, 1936647), (270, 1506281), (315, 1291098), (378, 1075915), (630, 645549), (945, 430366), (1890, 215183)]