209872860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3917}}^1$

素因数の和:3995

約数の個数: 96

約数和(自身を含む): 631895040

約数和(自身を除く): 422022180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 282, 285, 380, 470, 564, 570, 705, 893, 940, 1140, 1410, 1786, 2679, 2820, 3572, 3917, 4465, 5358, 7834, 8930, 10716, 11751, 13395, 15668, 17860, 19585, 23502, 26790, 39170, 47004, 53580, 58755, 74423, 78340, 117510, 148846, 184099, 223269, 235020, 297692, 368198, 372115, 446538, 552297, 736396, 744230, 893076, 920495, 1104594, 1116345, 1488460, 1840990, 2209188, 2232690, 2761485, 3497881, 3681980, 4465380, 5522970, 6995762, 10493643, 11045940, 13991524, 17489405, 20987286, 34978810, 41974572, 52468215, 69957620, 104936430, 209872860]

約数ペア:

[(1, 209872860), (2, 104936430), (3, 69957620), (4, 52468215), (5, 41974572), (6, 34978810), (10, 20987286), (12, 17489405), (15, 13991524), (19, 11045940), (20, 10493643), (30, 6995762), (38, 5522970), (47, 4465380), (57, 3681980), (60, 3497881), (76, 2761485), (94, 2232690), (95, 2209188), (114, 1840990), (141, 1488460), (188, 1116345), (190, 1104594), (228, 920495), (235, 893076), (282, 744230), (285, 736396), (380, 552297), (470, 446538), (564, 372115), (570, 368198), (705, 297692), (893, 235020), (940, 223269), (1140, 184099), (1410, 148846), (1786, 117510), (2679, 78340), (2820, 74423), (3572, 58755), (3917, 53580), (4465, 47004), (5358, 39170), (7834, 26790), (8930, 23502), (10716, 19585), (11751, 17860), (13395, 15668)]