217638160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1093}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 537197760

約数和(自身を除く): 319559600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 380, 524, 655, 760, 1048, 1093, 1310, 1520, 2096, 2186, 2489, 2620, 4372, 4978, 5240, 5465, 8744, 9956, 10480, 10930, 12445, 17488, 19912, 20767, 21860, 24890, 39824, 41534, 43720, 49780, 83068, 87440, 99560, 103835, 143183, 166136, 199120, 207670, 286366, 332272, 415340, 572732, 715915, 830680, 1145464, 1431830, 1661360, 2290928, 2720477, 2863660, 5440954, 5727320, 10881908, 11454640, 13602385, 21763816, 27204770, 43527632, 54409540, 108819080, 217638160]

約数ペア:

[(1, 217638160), (2, 108819080), (4, 54409540), (5, 43527632), (8, 27204770), (10, 21763816), (16, 13602385), (19, 11454640), (20, 10881908), (38, 5727320), (40, 5440954), (76, 2863660), (80, 2720477), (95, 2290928), (131, 1661360), (152, 1431830), (190, 1145464), (262, 830680), (304, 715915), (380, 572732), (524, 415340), (655, 332272), (760, 286366), (1048, 207670), (1093, 199120), (1310, 166136), (1520, 143183), (2096, 103835), (2186, 99560), (2489, 87440), (2620, 83068), (4372, 49780), (4978, 43720), (5240, 41534), (5465, 39824), (8744, 24890), (9956, 21860), (10480, 20767), (10930, 19912), (12445, 17488)]